www.tc.gc.camediadocumentsca-certificationv031 by yurtgc548

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									    AGENDA ITEM: 14 (AEA-03-11)

• Subject: Instructions for Continued
  Airworthiness (ICAs)

• Issue: Despite recent TCCA publications
  regarding procedures for developing
  Instructions for Continued Airworthiness
  (ICAs), there are still issues with respect to
  development of ICAs for avionics
  modifications.
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           AGENDA ITEM: 14
                 (continued)

• Two specific items that need resolution
  are:

  Understanding “on condition” vs. “condition
   monitoring” for avionics equipment.

  How to document “ICA” issues for specified
   data.
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 “On Condition” vs. “Condition
        Monitoring”
Both of these terms are based in the old "MSG 2" analytical
document, now superceded by "MSG 3" which no longer uses
them.

Abbreviated definitions:
• "On Condition" - means there are periodic checks to verify
  satisfactory system operation. Details must be provided of the
  nature of testing & pass/fail criteria

• "Condition Monitoring" - means a system/component is
  allowed to be operated, without inspection, until they show signs
  they have failed. This failure is not considered to be a safety
  concern. i.e.: "fly to failure".
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       Ref: "How to document ICA
       issues for 'specified data'
When the advisory material is developed for "specified data",
TCCA will incorporate recommendations for ICA data

     - It should be noted that the development of ICAs for
      avionics modifications is no different from that used to
      develop ICA's for other modifications

     - TPP 13850 "Scheduled Maintenance Instruction
      Development Process", will be amended to include the
      development of ICA's for modifications

     - Clarification will be provided in Maintenance Staff
      Instruction # 53 "Review of Supplemental Instructions for
      Continued Airworthiness", regarding the review of ICA's
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