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.
Teledyne Continental Motors (TCM) IO-520, TSIO-520, and IO-550 Series Reciprocating…
Sep 9, 2009
Engine (IO 520 SERIES)Only with: SAP investment cast cylinder assemblies P/Ns SA52000-A1, SA52000-A20P, SA52000-A21P, SA52000-A22P, SA52000-A23P, SA55000-A1, or SA55000-A20P 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.
nut · looseFeb 7, 2002
THE ELT ANTENNA WAS FOUND TO BE LOOSE ON VISUAL INSPECTION. REMOVED ELT ANTENNA ASSEMBLY, FOR PROGRESSIVE INSPECTION. FOUND SHIELD LOCKING NUT SECURING METAL RADIATING ROD TO ANTENNA BASE ASSEMBLY WAS LOOSE. WHEN RADIATING ROD WAS REMOVED FROM ANTENNA BASE ASSEMBLY, THE FEMALE BNC BARREL CONNECTOR…
From FAA Service Difficulty Reports; matched by N-number and serial number.