Docstoc

Proposed Rules FR Airworthiness Directives The

Document Sample
Proposed Rules FR Airworthiness Directives The Powered By Docstoc
					                                                                             Federal Register / Vol. 77, No. 113 / Tuesday, June 12, 2012 / Proposed Rules                                           34881

                                                    requested using the procedures found in 14     proposed AD was prompted by reports                             Aircraft Certification Office (ACO), 1601
                                                    CFR 39.19. In accordance with 14 CFR 39.19,    of crown frame web cracking at left                             Lind Avenue SW., Renton, Washington
                                                    send your request to your principal inspector  buttock line (LBL) 15.0, station (STA)                          98057–3356; phone: 425–917–6432; fax:
                                                    or local Flight Standards District Office, as
                                                                                                   320. This proposed AD would require a                           425–917–6590; email:
                                                    appropriate. If sending information directly
                                                    to the manager of the ACO, send it to the      measurement of the web at STA 320                               Bill.Ashforth@faa.gov.
                                                    attention of the person identified in the      and, depending on findings, various                             SUPPLEMENTARY INFORMATION:
                                                    Related Information section of this AD.        inspections for cracks and missing
                                                    Information may be emailed to: 9-ANM-          fasteners, web and fastener replacement,                        Comments Invited
                                                    Seattle-ACO-AMOC-Requests@faa.gov.             and related investigative and corrective                          We invite you to send any written
                                                       (2) Before using any approved AMOC,         actions. We are proposing this AD to
                                                    notify your appropriate principal inspector,                                                                   relevant data, views, or arguments about
                                                                                                   prevent complete fracture of the crown                          this proposal. Send your comments to
                                                    or lacking a principal inspector, the manager
                                                                                                   frame assembly, and consequent damage                           an address listed under the ADDRESSES
                                                    of the local flight standards district office/
                                                    certificate holding district office.           to the skin and in-flight decompression                         section. Include ‘‘Docket No. FAA–
                                                       (3) AMOCs approved previously in            of the airplane.                                                2012–0498; Directorate Identifier 2011–
                                                    accordance with AD 2008–08–24,                 DATES: We must receive comments on                              NM–212–AD’’ at the beginning of your
                                                    Amendment 39–15478 (73 FR 21242, April         this proposed AD by July 27, 2012.                              comments. We specifically invite
                                                    21, 2008), are not approved as AMOCs with
                                                                                                   ADDRESSES: You may send comments,                               comments on the overall regulatory,
                                                    this AD.
                                                                                                   using the procedures found in 14 CFR                            economic, environmental, and energy
                                                    (i) Related Information                        11.43 and 11.45, by any of the following                        aspects of this proposed AD. We will
                                                       (1) For more information about this AD,     methods:                                                        consider all comments received by the
                                                    contact Ansel James, Aerospace Engineer,          • Federal eRulemaking Portal: Go to                          closing date and may amend this
                                                    Propulsion Branch, ANM–140S, FAA, Seattle http://www.regulations.gov. Follow the                               proposed AD because of those
                                                    Aircraft Certification Office, 1601 Lind       instructions for submitting comments.                           comments.
                                                    Avenue SW., Renton, Washington 98057–             • Fax: 202–493–2251.                                           We will post all comments we
                                                    3356; phone: 425–917–6497; fax: 425–917–          • Mail: U.S. Department of
                                                    6590; email: ansel.james@faa.gov.                                                                              receive, without change, to http://
                                                       (2) For service information identified in   Transportation, Docket Operations,                              www.regulations.gov, including any
                                                    this AD, contact Boeing Commercial             M–30, West Building Ground Floor,                               personal information you provide. We
                                                    Airplanes, Attention: Data & Services          Room W12–140, 1200 New Jersey                                   will also post a report summarizing each
                                                    Management, P.O. Box 3707, MC 2H–65,           Avenue SE., Washington, DC 20590.                               substantive verbal contact we receive
                                                    Seattle, Washington 98124–2207; telephone         • Hand Delivery: Deliver to Mail                             about this proposed AD.
                                                    206–544–5000, extension 1; fax 206–766–        address above between 9 a.m. and 5
                                                    5680; email me.boecom@boeing.com; Internet p.m., Monday through Friday, except                                 Discussion
                                                    https://www.myboeingfleet.com. You may         Federal holidays.                                                  We have received five reports of
                                                    review copies of the referenced service
                                                                                                      For service information identified in                        crown frame web cracking at left
                                                    information at the FAA, Transport Airplane
                                                    Directorate, 1601 Lind Avenue SW., Renton,     this proposed AD, contact Boeing                                buttock line (LBL) 15.0, station (STA)
                                                    Washington. For information on the             Commercial Airplanes, Attention: Data                           320. One airplane crack length was not
                                                    availability of this material at the FAA, call & Services Management, P.O. Box 3707,                           specified and reported at 9,456 flight
                                                    425–227–1221.                                  MC 2H–65, Seattle, Washington 98124–                            cycles. Three cracks of 0.65 inch in
                                                       Issued in Renton, Washington, on May 31,    2207; telephone 206–544–5000,                                   length were reported after 9,354 flight
                                                    2012.                                          extension 1; fax 206–766–5680; email                            cycles on one airplane, 12,851 flight
                                                    Michael Kaszycki,                              me.boecom@boeing.com; Internet                                  cycles on the second airplane, and
                                                    Acting Manager, Transport Airplane
                                                                                                   https://www.myboeingfleet.com. You                              29,866 flight cycles on the third
                                                    Directorate, Aircraft Certification Service.   may review copies of the referenced                             airplane. A crack of 0.85 inch was
                                                    [FR Doc. 2012–14245 Filed 6–11–12; 8:45 am]
                                                                                                   service information at the FAA,                                 reported at 29,956 flight cycles on
                                                                                                   Transport Airplane Directorate, 1601                            another airplane.
                                                    BILLING CODE 4910–13–P
                                                                                                   Lind Avenue SW., Renton, Washington.                               Investigation revealed that in these
                                                                                                   For information on the availability of                          airplanes, the web was made from 0.08-
                                                    DEPARTMENT OF TRANSPORTATION this material at the FAA, call 425–227–                                           inch thick material and did not conform
                                                                                                   1221.                                                           to production drawings. Also, an
                                                    Federal Aviation Administration                Examining the AD Docket                                         operator reported missing fasteners from
                                                                                                                                                                   locations common to the frame web and
                                                    14 CFR Part 39                                             You may examine the AD docket on                    lower chord on the first delivered Model
                                                                                                            the Internet at http://                                747–400 after 10,317 flight cycles. This
                                                    [Docket No. FAA–2012–0498; Directorate                  www.regulations.gov; or in person at the
                                                    Identifier 2011–NM–212–AD]                                                                                     airplane also had a web made from 0.08-
                                                                                                            Docket Management Facility between 9                   inch thick material and did not conform
                                                    RIN 2120–AA64                                           a.m. and 5 p.m., Monday through                        to production drawings.
                                                                                                            Friday, except Federal holidays. The AD                   This condition, if not corrected, could
                                                    Airworthiness Directives; The Boeing                    docket contains this proposed AD, the                  result in complete fracture of the crown
                                                    Company Airplanes                                       regulatory evaluation, any comments                    frame assembly, and consequent damage
                                                                                                            received, and other information. The
mstockstill on DSK4VPTVN1PROD with PROPOSALS




                                                    AGENCY: Federal Aviation                                                                                       to the skin and in-flight decompression
                                                    Administration (FAA), DOT.                              street address for the Docket Office                   of the airplane.
                                                                                                            (phone: 800–647–5527) is in the
                                                    ACTION: Notice of proposed rulemaking                                                                          Relevant Service Information
                                                                                                            ADDRESSES section. Comments will be
                                                    (NPRM).
                                                                                                            available in the AD docket shortly after                 We reviewed Boeing Service Bulletin
                                                    SUMMARY:  We propose to adopt a new                     receipt.                                               747–53A2784, Revision 1, dated
                                                    airworthiness directive (AD) for certain                FOR FURTHER INFORMATION CONTACT: Bill                  September 14, 2011. For information on
                                                    The Boeing Company Model 747–400,                       Ashforth, Aerospace Engineer, Airframe                 the procedures and compliance times,
                                                    –400D, and –400F series airplanes. This                 Branch, ANM–120S, FAA, Seattle                         see this service information at http://


                                               VerDate Mar<15>2010   16:28 Jun 11, 2012   Jkt 226001   PO 00000   Frm 00028   Fmt 4702   Sfmt 4702   E:\FR\FM\12JNP1.SGM   12JNP1
                                                    34882                       Federal Register / Vol. 77, No. 113 / Tuesday, June 12, 2012 / Proposed Rules

                                                    www.regulations.gov by searching for                         ‘‘Related investigative actions’’ are those                       Differences Between the Proposed AD
                                                    Docket No. FAA No. FAA–2012–0498.                            actions that are identified as follow-on                          and the Service Information
                                                    FAA’s Determination                                          actions that are: (1) Related to the                                 Boeing Service Bulletin 747–
                                                                                                                 preceding required action, and (2) are                            53A2784, Revision 1, dated September
                                                      We are proposing this AD because we                        on-condition actions that further                                 14, 2011, specifies to contact the
                                                    evaluated all the relevant information                       investigate the nature of any condition                           manufacturer for instructions on how to
                                                    and determined the unsafe condition                          found. Related investigative actions                              repair certain conditions, but this
                                                    described previously is likely to exist or                   could include, for example, inspections                           proposed AD would require repairing
                                                    develop in other products of the same                        and operational tests.                                            those conditions in one of the following
                                                    type design.                                                                                                                   ways:
                                                                                                                    In addition, the phrase ‘‘corrective
                                                    Proposed AD Requirements                                     actions’’ is used in this proposed AD.                               • In accordance with a method that
                                                                                                                 ‘‘Corrective actions’’ are those actions                          we approve; or
                                                       This proposed AD would require                                                                                                 • Using data that meet the
                                                                                                                 that are on-condition actions that
                                                    accomplishing the actions specified in                                                                                         certification basis of the airplane, and
                                                    the service information identified                           correct or address any condition found.
                                                                                                                 Corrective actions could include, for                             that have been approved by the Boeing
                                                    previously, except as discussed under                                                                                          Commercial Airplanes Organization
                                                    ‘‘Differences Between the Proposed AD                        example, repairs, removal and
                                                                                                                 replacement, and modifications.                                   Designation Authorization (ODA) whom
                                                    and the Service Information.’’ This                                                                                            we have authorized to make those
                                                    proposed AD also provides options for                           Accomplishment of the inspection                               findings.
                                                    accomplishing the actions that are                           required by AD 2009–19–05,
                                                    required for airplanes on which no                           Amendment 39–16022 (74 FR 48138,                                  Costs of Compliance
                                                    cracking is found in the crown frame                         September 22, 2009), would terminate                                 We estimate that this proposed AD
                                                    web.                                                         the requirements of the post-                                     affects 29 airplanes of U.S. registry.
                                                       The phrase ‘‘related investigative                        replacement inspections required by                                  We estimate the following costs to
                                                    actions’’ is used in this proposed AD.                       paragraph (j) of this proposed AD.                                comply with this proposed AD:

                                                                                                                               ESTIMATED COSTS
                                                                     Action                                 Labor cost                   Parts cost                     Cost per product                         Cost on U.S. operators

                                                    Measurement ............................    1 work-hour × $85 per hour =          $0 ..................   $85 ..........................................   $2,465.
                                                                                                  $85.
                                                    Inspection and web replace-                 208 work-hours × $85 per              Up to $21,887           Up to $39,567 .........................          Up to $1,147,443.
                                                      ment.                                       hour = $17,680.
                                                    Post-replacement inspection ....            135 work-hours × $85 per              $0 ..................   $11,475 per inspection cycle ..                  $332,775 per inspection
                                                                                                  hour = $11,475 per inspec-                                                                                     cycle.
                                                                                                  tion cycle.



                                                      We have received no definitive data                        Regulatory Findings                                               List of Subjects in 14 CFR Part 39
                                                    that would enable us to provide cost
                                                    estimates for the on-condition crack                           We determined that this proposed AD                               Air transportation, Aircraft, Aviation
                                                    repairs specified in this proposed AD.                       would not have federalism implications                            safety, Incorporation by reference,
                                                                                                                 under Executive Order 13132. This                                 Safety.
                                                    Authority for This Rulemaking                                proposed AD would not have a                                      The Proposed Amendment
                                                                                                                 substantial direct effect on the States, on
                                                       Title 49 of the United States Code
                                                    specifies the FAA’s authority to issue                       the relationship between the national                               Accordingly, under the authority
                                                    rules on aviation safety. Subtitle I,                        Government and the States, or on the                              delegated to me by the Administrator,
                                                    section 106, describes the authority of                      distribution of power and                                         the FAA proposes to amend 14 CFR part
                                                    the FAA Administrator. Subtitle VII:                         responsibilities among the various                                39 as follows:
                                                    Aviation Programs, describes in more                         levels of government.
                                                                                                                                                                                   PART 39—AIRWORTHINESS
                                                    detail the scope of the Agency’s                               For the reasons discussed above, I                              DIRECTIVES
                                                    authority.                                                   certify this proposed regulation:
                                                       We are issuing this rulemaking under                        (1) Is not a ‘‘significant regulatory                             1. The authority citation for part 39
                                                    the authority described in Subtitle VII,                     action’’ under Executive Order 12866,                             continues to read as follows:
                                                    Part A, Subpart III, Section 44701:                            (2) Is not a ‘‘significant rule’’ under                            Authority: 49 U.S.C. 106(g), 40113, 44701.
                                                    ‘‘General requirements.’’ Under that                         the DOT Regulatory Policies and
                                                    section, Congress charges the FAA with                                                                                         § 39.13       [Amended]
                                                                                                                 Procedures (44 FR 11034, February 26,
                                                    promoting safe flight of civil aircraft in                                                                                       2. The FAA amends § 39.13 by adding
                                                                                                                 1979),
                                                    air commerce by prescribing regulations
mstockstill on DSK4VPTVN1PROD with PROPOSALS




                                                                                                                   (3) Will not affect intrastate aviation                         the following new airworthiness
                                                    for practices, methods, and procedures                                                                                         directive (AD):
                                                    the Administrator finds necessary for                        in Alaska, and
                                                    safety in air commerce. This regulation                                                                                        The Boeing Company: Docket No. FAA–
                                                                                                                   (4) Will not have a significant                                     2012–0498; Directorate Identifier 2011–
                                                    is within the scope of that authority                        economic impact, positive or negative,                                NM–212–AD.
                                                    because it addresses an unsafe condition                     on a substantial number of small entities
                                                    that is likely to exist or develop on                        under the criteria of the Regulatory                              (a) Comments Due Date
                                                    products identified in this rulemaking                       Flexibility Act.                                                    We must receive comments by July 27,
                                                    action.                                                                                                                        2012.



                                               VerDate Mar<15>2010     16:28 Jun 11, 2012      Jkt 226001   PO 00000   Frm 00029   Fmt 4702    Sfmt 4702      E:\FR\FM\12JNP1.SGM            12JNP1
                                                                             Federal Register / Vol. 77, No. 113 / Tuesday, June 12, 2012 / Proposed Rules                                                 34883

                                                    (b) Affected ADs                                        (i) Detailed Inspection and Web                        send your request to your principal inspector
                                                       None.                                                Replacement With Web Repair Doubler                    or local Flight Standards District Office, as
                                                                                                               For airplanes on which the web measures             appropriate. If sending information directly
                                                    (c) Applicability                                       0.078- to 0.083-inch thick during the                  to the manager of the ACO, send it to the
                                                      This AD applies to The Boeing Company                 measurement required by paragraph (g) of               attention of the person identified in the
                                                    Model 747–400, –400D, and –400F series                  this AD, and on which a repair doubler is              Related Information section of this AD.
                                                    airplanes, certificated in any category, as             installed: At the applicable compliance time           Information may be emailed to: 9-ANM-
                                                    specified in Boeing Service Bulletin 747–               specified in paragraph 1.E., ‘‘Compliance,’’ of        Seattle-ACO-AMOC-Requests@faa.gov.
                                                    53A2784, Revision 1, dated September 14,                Boeing Service Bulletin 747–53A2784,                      (2) Before using any approved AMOC,
                                                    2011.                                                   Revision 1, dated September 14, 2011, except           notify your appropriate principal inspector,
                                                                                                            as specified in paragraph (k)(1) of this AD, do        or lacking a principal inspector, the manager
                                                    (d) Subject                                             the actions specified in paragraphs (i)(1) and         of the local flight standards district office/
                                                      Joint Aircraft System Component (JASC)/               (i)(2) of this AD, and do all applicable               certificate holding district office.
                                                    Air Transport Association (ATA) of America              corrective actions, in accordance with the                (3) An AMOC that provides an acceptable
                                                    Code 53, Fuselage.                                      Accomplishment Instructions of Boeing                  level of safety may be used for any repair
                                                                                                            Service Bulletin 747–53A2784, Revision 1,              required by this AD if it is approved by the
                                                    (e) Unsafe Condition                                    dated September 14, 2011, except as                    Boeing Commercial Airplanes Organization
                                                       This AD was prompted by reports of crown             provided by paragraph (k)(2) of this AD. Do            Designation Authorization (ODA) that has
                                                    frame web cracking at left buttock line (LBL)           all applicable corrective actions before               been authorized by the Manager, Seattle
                                                    15.0, station (STA) 320. We are proposing               further flight.                                        ACO, to make those findings. For a repair
                                                    this AD to prevent complete fracture of the                (1) Replace the web with a new web and              method to be approved, the repair must meet
                                                    crown frame assembly, and consequent                    do all applicable related investigative                the certification basis of the airplane, and the
                                                    damage to the skin and in-flight                        actions.                                               approval must specifically refer to this AD.
                                                    decompression of the airplane.                             (2) Do a detailed inspection for cracks in
                                                                                                                                                                   (m) Related Information
                                                                                                            the upper or lower chord of the crown frame
                                                    (f) Compliance                                          web at STA 320.                                          (1) For more information about this AD,
                                                       Comply with this AD within the                                                                              contact Bill Ashforth, Aerospace Engineer,
                                                    compliance times specified, unless already              (j) Post-Replacement Repetitive Inspections            Airframe Branch, ANM–120S, FAA, Seattle
                                                    done.                                                   of Replaced Web                                        ACO, 1601 Lind Avenue SW., Renton,
                                                                                                               Following any web replacement required              Washington 98057–3356; phone: 425–917–
                                                    (g) Crown Frame Web Measurement                         by this AD, at the times specified in                  6432; fax: 425–917–6590; email:
                                                       At the applicable compliance time                    paragraph 1.E., ‘‘Compliance,’’ of Boeing              Bill.Ashforth@faa.gov.
                                                    specified in paragraph 1.E., ‘‘Compliance,’’ of         Service Bulletin 747–53A2784, Revision 1,                (2) For service information identified in
                                                    Boeing Service Bulletin 747–53A2784,                    dated September 14, 2011: Do a detailed                this AD, contact Boeing Commercial
                                                    Revision 1, dated September 14, 2011, except            inspection for cracks of the web, upper                Airplanes, Attention: Data & Services
                                                    as specified in paragraph (k)(1) of this AD,            chord, lower chord, and lower chord splice,            Management, P.O. Box 3707, MC 2H–65,
                                                    measure the thickness of the crown frame                and do all applicable corrective actions, in           Seattle, Washington 98124–2207; telephone
                                                    web at station (STA) 320, in accordance with            accordance with the Accomplishment                     206–544–5000, extension 1; fax 206–766–
                                                    the Accomplishment Instructions of Boeing               Instructions of Boeing Service Bulletin 747–           5680; email me.boecom@boeing.com; Internet
                                                    Service Bulletin 747–53A2784, Revision 1,               53A2784, Revision 1, dated September 14,               https://www.myboeingfleet.com. You may
                                                    dated September 14, 2011. For airplanes with            2011, except as provided by paragraph (k)(2)           also review the referenced service
                                                    a 0.136 to 0.145-inch-thick web, no further             of this AD. Do all applicable corrective               information in the docket at
                                                    action is required by this AD.                          actions before further flight. If no crack is          www.regulations.gov (refer to Docket No.
                                                                                                            found, repeat the inspection thereafter at the         FAA–2012–0498). You may review copies of
                                                    (h) Detailed Inspection and Web                                                                                the referenced service information at the
                                                                                                            intervals specified in paragraph 1.E.,
                                                    Replacement With No Web Repair Doubler                                                                         FAA, Transport Airplane Directorate, 1601
                                                                                                            ‘‘Compliance,’’ of Boeing Service Bulletin
                                                       For airplanes on which the web measures              747–53A2784, Revision 1, dated September               Lind Avenue SW., Renton, Washington. For
                                                    0.078- to 0.083-inch thick during the                   14, 2011. Accomplishment of the inspections            information on the availability of this
                                                    measurement required by paragraph (g) of                required by AD 2009–19–05, Amendment                   material at the FAA, call 425–227–1221.
                                                    this AD, and on which repair doubler is not             39–16022 (74 FR 48138, September 22, 2009),              Issued in Renton, Washington, on May 31,
                                                    installed: At the applicable time specified in          terminates the requirements of this                    2012.
                                                    paragraph 1.E., ‘‘Compliance,’’ of Boeing               paragraph.
                                                    Service Bulletin 747–53A2784, Revision 1,                                                                      Michael Kaszycki,
                                                    dated September 14, 2011, except as                     (k) Exceptions to the Service Information              Acting Manager, Transport Airplane
                                                    specified in paragraph (k)(1) of this AD, do              (1) Where Boeing Service Bulletin 747–               Directorate, Aircraft Certification Service.
                                                    a detailed inspection for cracks and a general          53A2784, Revision 1, dated September 14,               [FR Doc. 2012–14253 Filed 6–11–12; 8:45 am]
                                                    visual inspection for missing fasteners of the          2011, specifies a compliance time ‘‘after the          BILLING CODE 4910–13–P
                                                    crown frame web at STA 320; and do all                  original issue date of the service bulletin,’’
                                                    applicable related investigative and                    this AD requires compliance within the
                                                    corrective actions; in accordance with the              specified compliance time after the effective
                                                    Accomplishment Instructions of Boeing                   date of this AD.                                       DEPARTMENT OF COMMERCE
                                                    Service Bulletin 747–53A2784, Revision 1,                 (2) Where Boeing Service Bulletin 747–
                                                    dated September 14, 2011, except as                     53A2784, Revision 1, dated September 14,               Minority Business Development
                                                    specified in paragraph (k)(2) of this AD. Do            2011, specifies to contact Boeing for
                                                    the applicable related investigative and
                                                                                                                                                                   Agency
                                                                                                            appropriate action, accomplish applicable
                                                    corrective actions at the applicable times in           actions before further flight using a method
                                                    paragraph 1.E., ‘‘Compliance,’’ of Boeing               approved in accordance with the procedures             15 CFR Part 1400
mstockstill on DSK4VPTVN1PROD with PROPOSALS




                                                    Service Bulletin 747–53A2784, Revision 1,               specified in paragraph (l) of this AD.
                                                    dated September 14, 2011, except as                                                                            [Docket No. 120517080–2132–02]
                                                    specified in paragraph (k)(1) of this AD.               (l) Alternative Methods of Compliance
                                                    Boeing Service Bulletin 747–53A2784,                    (AMOCs)                                                Petition for Inclusion of the Arab-
                                                    Revision 1, dated September 14, 2011,                      (1) The Manager, Seattle Aircraft                   American Community in the Groups
                                                    provides options for accomplishing the                  Certification Office (ACO), FAA, has the               Eligible for MBDA Services
                                                    actions that are required for airplanes on              authority to approve AMOCs for this AD, if
                                                    which no cracking is found in the crown                 requested using the procedures found in 14             AGENCY:Minority Business
                                                    frame web.                                              CFR 39.19. In accordance with 14 CFR 39.19,            Development Agency, Commerce.


                                               VerDate Mar<15>2010   17:55 Jun 11, 2012   Jkt 226001   PO 00000   Frm 00030   Fmt 4702   Sfmt 4702   E:\FR\FM\12JNP1.SGM   12JNP1

				
DOCUMENT INFO
Shared By:
Categories:
Tags:
Stats:
views:5
posted:7/15/2012
language:English
pages:3