AD 2010-21-08
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Aviat | Various | Airworthiness Directives; PIAGGIO AERO INDUSTRIES S.p.A. Model PIAGGIO P-180 Airplanes |
Unsafe Condition
Failure of engine oil dipsticks installed on Pratt & Whitney Canada (P&WC) PT6A66 and PT6A66B engines, due to moisture penetration and subsequent corrosion, can cause incorrect reading of the engine oil low level on the Refuel/Ground Test Panel, potentially leading to in-flight engine failure(s).
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Visually check engine oil levels and inspect oil dipsticks repetitively at specified intervals. Replace faulty dipsticks before further flight or, if unavailable, reinspect oil levels more frequently until replacement is possible.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within one month or 25 hours time-in-service after November 18, 2010, whichever occurs first.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
PIAGGIO AERO INDUSTRIES S.p.A. Model PIAGGIO P-180 airplanes, all serial numbers, certificated in any category, equipped with Pratt & Whitney Canada (P&WC) PT6A66 and PT6A66B engines.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
This site is not affiliated with or endorsed by the FAA. Always verify with official sources.