These match the airframe or engine model. Whether each one applies, and whether it's been complied with, depends on serial numbers, equipment and logbook entries. Applicability must be confirmed by a mechanic against the aircraft's records.
The New Piper Aircraft, Inc. (formerly Piper Aircraft Corporation) PA-31 Series Airplanes
Jan 19, 2001
Airframe (PA-31T1)Certain serial numbers: PA-31 31-2–31-900; PA-31 31-7300901–31-8312019; PA-31-300 31-2–31-900; PA-31-300 31-7300901–31-8312019; PA-31-350 31-5001–31-5004; PA-31-350 31-7305005–31-8553002; …. Only with: Equipped with Piper P/N 46653-00 or 47529-32 aluminum main landing gear door hinge assemblies (or FAA-approved equivalents); aircraft referred to as PA-31-310 are PA-31 airplanes.
The New Piper Aircraft, Inc. (Formerly Piper Aircraft Corporation) PA31, PA31P, and…
Jun 27, 1996
Airframe (PA-31T1)Certain serial numbers: PA31 31-2–31-8312019; PA31-300 31-2–31-8312019; PA31-325 31-2–31-8312019; PA31-350 31-5001–31-8553002; PA31P 31P-2–31P-7730012; PA31P-350 31P-8414001–31P-8414050; …. Only with: Applies to airplanes without improved design MLG forward sidebraces P/N 85165-02/-03 or P/N 85166-02/-03 installed.
AI-extracted — verify against original. Matched from each AD's applicability section; ADs replaced by a later AD are left out.
Service Difficulty Reports (1)
Reports of failures and defects that operators and repair stations sent to the FAA since 1995. A report describes one finding; it is not an accident.
Engine · tie rod · looseOct 27, 2012
ENGINE WAS REMOVED FOR COMPRESSOR SEIZED AND COMPRESSOR FOD. UPON DISASSEMBLY AT CRS, IT WAS DETERMINED THE COMPRESSOR TIE BOLTS WERE FOUND TO HAVE NO STRETCH ON 4 OF 6. RESULTING IN COMPRESSOR IMBALANCE AND SEVERE RUB, SEIZING. POSSIBLE CAUSE: IMPROPER ASSY AT SHOP VISIT FOR SUDDEN STOPPAGE INSP…
From FAA Service Difficulty Reports; matched by N-number and serial number.