AD 2009-16-02
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Pilatus | Aircraft Limited Model PC-7 | Airworthiness Directives; Pilatus Aircraft Limited Model PC-7 Airplanes |
| aircraft | Aviat | Various | Airworthiness Directives; Pilatus Aircraft Limited Model PC-7 Airplanes |
Unsafe Condition
Corrosion on the bolts and in the bores of the attachment fittings for the engine mounting frame, caused by damaged cadmium plating of the bolts or damaged surface finish of the attachment fitting, could lead to crack initiation and subsequent failure of the engine attachment fitting.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Visually inspect the bolts and bores of the attachment fittings for the engine mounting frame. Replace the bolts if no corrosion is found. If corrosion is found, perform corrective actions as specified in the service bulletin. Inspect repetitively at intervals not exceeding 5 years.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 6 months after September 9, 2009, or upon accumulating 5,000 hours total time-in-service (TIS) or 5 years from the date of manufacture, whichever occurs first.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Pilatus Aircraft Limited Model PC-7 airplanes, all manufacturer serial numbers, certificated in any category.
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.