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 (7)
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.
Wings · attach fitting · crackedFeb 22, 2017
DURING SCHEDULED INSPECTION IAW SIN 57-40-01, EDDY CURRENT INSPECTION REVEALED CRACKING WAS PRESENT IN THE LOWER STRUT ATTACH FITTING. THE STRUT FITTING WILL NEED TO BE REPLACED IN ORDER TO REMEDY THIS CONDITION.
From FAA Service Difficulty Reports; matched by N-number and serial number.
Reciprocating engine · lifter · dirtyJan 29, 2014
ENGINE ROUGH, BACKFIRES AT LOW POWER SETTINGS. CLEANED NR 1 INTAKE LIFTER & REINSTALLED. OPERATIONS CHECKED GOOD.
From FAA Service Difficulty Reports; matched by N-number and serial number.
Starting · spring · damagedOct 13, 2013
DURING SCHEDULED MAINTENANCE, DAMAGE WAS FOUND CLUTCH SPRING COMPONENT OF THE STARTER ADAPTER CONTACTED THE CRANKSHAFT GEAR HOLD DOWN BOLTS AND SAFETY WIRE USED FOR THESE BOLTS. PIECES OF THE BROKEN SPRING WERE ALSO FOUND IN THE ENGINE OIL PAN. ENGINE WAS REMOVED FROM SERVICE AND REPLACED WITH A…
From FAA Service Difficulty Reports; matched by N-number and serial number.
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Exhaust · muffler · leakingApr 10, 2012
POSSIBLE CARBON MONOXIDE IN COCKPIT, MX REPLACED LT MUFFLER ASSEMBLY.
From FAA Service Difficulty Reports; matched by N-number and serial number.
TACH DRIVE PORTION OF OIL PUMP SEIZED. WE HAVE HAD 4 OF THESE FAILURES IN THE PAST 6 MONTHS.
From FAA Service Difficulty Reports; matched by N-number and serial number.
Reciprocating engine · pushrod · bentSep 23, 2005
ENGINE RUNNING ROUGH REPORTED. MX REMOVED ALL PUSHRODS FOR INSPECTION. NR 5 CYLINDER PUSHRODS (INTAKE AND EXHAUST) BENT. NR 4 CYLINDER PUSHROD (EXHAUST) BENT. NR 2 CYLINDER PUSHROD (EXHAUST) BENT.
From FAA Service Difficulty Reports; matched by N-number and serial number.
Indicating and recording systems · antenna · unserviceableApr 29, 2005
FOUND UAT ANTENNA BAD DURING UAT UPGRADE. (ALO5200502609) (K)
From FAA Service Difficulty Reports; matched by N-number and serial number.