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.
No ADs published since 1998 matched this airframe or engine model.
AI-extracted — verify against original. Matched from each AD's applicability section; ADs replaced by a later AD are left out.
Service Difficulty Reports (2)
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 fuel and control · screw · looseOct 19, 1998
ON THE PA-18 APPLICATION, THE AIR BOX IS BOLTED TO THE BASE OF CARBURETOR. THE AN 500 SCREWS ARE SAFETIED WITH CRES WIRE. THESE FASTENERS COME LOOSE AND ALLOW THE FLOAT BOWL TO WORK LOOSE FROM THE THROTTLE BODY CREATING A LEAKING CONDITION, AND A RICH FUEL MIXTURE. FIX IS TO UPGRADE FASTENERS TO 4…
From FAA Service Difficulty Reports; matched by N-number and serial number.
Exhaust · stack · crackedSep 5, 1996
THE NR 2 EXHAUST PORT STACK CRACKED AT MOUNTING FLANGE. THIS PART WAS NEW FROM UNIVAIR. THE EXHAUST STACK ONLY HAD 200 HOURS SINCE NEW. SUBMITTER STATED UNIVAIR STATES THEY HAVE HAD CRACKING PROBLEMS BEFORE. THIS PART IS MANUFACUTRED BY A SUB-CONTRACTOR TO UNIVAIR.
From FAA Service Difficulty Reports; matched by N-number and serial number.