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91.411 check required after static leak fix?

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Aircraft Systems, FAA Regulations

If an A&P does a static leak check and finds & fixes one (allowed per 91.411) during the 24mo validity period (for IFR) does a licensed shop then need to complete a full new 91.411 test?

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1 Answers



  1. John D Collins on Oct 29, 2017

    Short answer no. The operative regulations are copied below.

    91.411 (a)(2) Except for the use of system drain and alternate static pressure valves, following any opening and closing of the static pressure system, that system has been tested and inspected and found to comply with paragraph (a), appendix E, of part 43 of this chapter

    Part 43, Appendix E:
    (a) Static pressure system:
    (1) Ensure freedom from entrapped moisture and restrictions.
    (2) Perform a proof test to demonstrate the integrity of the static pressure system in a manner acceptable to the Administrator. For airplanes certificated under part 25 of this chapter, determine that leakage is within the tolerances established by §25.1325.

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