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Aircraft Parts, FAA, PMA, Uncategorized

Your Feedback Needed on Engine Endurance Test Draft AC

The FAA is currently seeking comments on its Draft Advisory Circular Engine Overtorque Test, Calibration Test, Endurance Test, and Teardown Inspection for Turbine Engine Certification (§§ 33.84, 33.85, 33.87, 33.93).

As the title suggests, the AC offers guidance on compliance with the engine overtorque, calibration, and endurance tests, and teardown inspection called out in Part 33 of the Federal Aviation Regulations.  Although the guidance is directed at engine manufacturers, foreign regulatory authorities, applicants for engine type design approval, and FAA designees, it also notes that parts manufacturer approvals “may require running certain endurance testing for compliance with § 33.87″ and refers to AC 33.87-2 for guidance on showing compliance by comparative test methods.

MARPA would like to know to what extent members anticipate this AC might effect them, and whether we should submit comments.  If you plan on submitting comments, or have already done so, we would would like your feedback so that we can incorporate member concerns into our comments.

Comments on the Draft AC are due next week, so if you have feedback for us please submit them to ryan@washingtonaviation.com soon!

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