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Title: Mandatory replacement of any rudder/rudder post made from 1025 carbon steel with a rudder/rudder post made from 4130N steel on certain Piper aircraft models. Effective Date: February 11, 2025 Subject: The FAA is adopting a new airwo...
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Contact information for purchasing STC-SA578AL for the "Day and Night" Piper PA-12 flap installation.
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Spar repair information for Piper aircraft with aluminum spars.
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Required inspection for incorrect swaging width of the cable Nicopress sleeves on the elevator, rudder, aileron, and flap control cables, and make a temporary POH limitation entry.
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Required inspection of the rear seat back hinge areas for cracking and excessive elongation of the rear seat hinge bolt hole and replacement of the rear seat frame if necessary.
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Inspection of front and rear control stick socket castings for cracks at the ears to which the push-pull tube attaches.
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Replacement of front lift strut wing attachment fittings to prevent failure of lift strut wing fitting due to tie-down loads.
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In order to prevent the seat belt anchorage from failing during crash landings, it has been found necessary to modify the seat installation as follows.
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Failures of the exhaust stacks have occurred in the area of the cabin heat muffs, causing hazardous carbon monoxide contamination of the cabin when cabin heat is used.
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How to remove the fin for spar inspection, and required replacement parts if failure exists.