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How to preclude failure of the exhaust stacks which can cause carbon monoxide contamination of the cabin when cabin heat is used.
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Inspection of the left and right upper longerons for cracks using the dye penetrant technique.
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Steps to prevent loss of the elevator control system as a result of worn clevis bolts.
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Inspecting for cracks at or near the weld beads at the attachment of the muffler outer shell to the end plates.
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General specifications and performance data for Piper Clipper PA-16.
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As a result of several cases of engine power loss due to the carburetor alternate air door being sucked into the engine, make the spring loaded alternate air door inoperative by one of the following methods.
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Inspection of the flexible hose in the engine breather line for contraction and possible clogging.
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Reports of fraying of the control column cable assemblies resulting from contact of the cable assemblies with the set screw in the aileron stops.
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Due to a number of reported failures of single strand .032" safety wire used on control system turnbuckles, it is considered necessary to replace the safety wire with single strand .040" brass or copper wire.
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Table showing the type of brake fluid used in airplanes manufactured by the Piper Aircraft Corporation.