AD 2008-16-19
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Pilatus | Aircraft Ltd | Airworthiness Directives; Pilatus Aircraft Ltd. Model PC-6 Airplanes |
| aircraft | Aviat | Various | Airworthiness Directives; Pilatus Aircraft Ltd. Model PC-6 Airplanes |
Unsafe Condition
Loose self-locking stop nuts Part Number 938.07.65.105 in the tail landing gear fastener assemblies and potentially other fastener assemblies using the same part number at various locations in the aircraft. If left uncorrected, these assemblies may become loose and not function as designed, leading to hazardous situations.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect and modify the fastener assemblies as instructed in Pilatus Aircraft Ltd. Service Bulletin No. 53-002, Revision No. 2. Replace self-locking stop nuts P/N 938.07.65.105 from specified assemblies (Tail Landing Gear, Parachute Cable, Water Tank, Cable Tensioner, Fuel Filter, Hydraulic Pump, and Engine Mounts) in accordance with the service bulletin.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 12 months after September 17, 2008
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Pilatus Aircraft Ltd. Model PC-6 series airplanes, including PC-6, PC-6-H1, PC-6-H2, PC-6/350, PC-6/350-H1, PC-6/350-H2, PC-6/A, PC-6/A-H1, PC-6/A-H2, PC-6/B-H2, PC-6/B1-H2, PC-6/B2-H2, PC-6/B2-H4, PC-6/C-H2, and PC-6/C1-H2, with manufacturer serial numbers MSN 101 through MSN 949 and MSN 2001 through MSN 2092.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
This site is not affiliated with or endorsed by the FAA. Always verify with official sources.