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.
Airframe (M20F)Only with: Equipped with an O & N Bladder Fuel Cell installed per STC SA2277CE or STC SA2350CE (for M20B, incorporated by field approval).
Mooney Aircraft Corporation Models M20F, M20J, and M20L Airplanes
Jan 20, 1998
Airframe (M20F)Certain serial numbers: M20J 24-0001–24-3381; M20L 26-0001–26-0041
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.
Reciprocating engine · valve · stuckMay 20, 1997
ENGINE RAN ROUGH AT TAKEOFF, AIRCRAFT LOST POWER. AIRCRAFT SUSTAINED SUBSTANTIAL DAMAGE DURING A FORCED LANDING. EXAMINATION FOR THE ENGINE REVEALED AN OPEN EXHAUST VALVE, CYLINDER NR 4. ENGINE HAD A CYLINDER, NR 4 EXHAUST VALVE STUCK.
From FAA Service Difficulty Reports; matched by N-number and serial number.