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A new service assembly has been developed and approved by the C.A.A. This assembly is designed to simplify repair of damage to the inboard end of the outer panel rear spar.
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If the window catch does not properly engage its mating part, which is riveted to the door frame, it is suggested that the door frame catch be relocated to insure proper fit.
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Inspection of the stabilizer aluminum yoke casting, and if any cracks are apparent, the part should be replaced before further operation of the airplane.
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Instructions for repairs of minor cracks, pin holes and failed spot welds in the stainless steel wing tanks.
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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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A recent fuel tank collapse was attributed to inadequate venting, caused by obstruction of the cap vent holes installed per Piper Service Bulletin No. 522.
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Shock cord application chart for listed Piper models.
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Outlines the repair of Univair STC'd Stamped Ribs in accordance with the original STC and FAA Advisory Circular AC 43.13-1B.
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Refinishing procedure for airplanes which are finished with Nitrate dope and which are to be refinished with Butyrate dope, or "Duraclad".
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Failure of the floorboard and rudder pedal lug attachment to the tubular structure due to continued flexing of these parts during operation.