AD Amdt-39-10558
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Pilatus | Aircraft Ltd | Airworthiness Directives; Pilatus Aircraft Ltd. Models PC-6, PC- 6/A, PC-6/B, and PC-6/C Series Airplanes |
Unsafe Condition
Engine fuel starvation during maximum climb and descent caused by poor fuel tank venting with low fuel levels could result in loss of engine power during critical phases of flight.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Modify the fuel system to improve venting between the collector tank, main wing tanks, and the engine.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Before further flight
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Pilatus Aircraft Ltd. Models PC-6, PC-6/A, PC-6/B, and PC-6/C series airplanes equipped with turbo-prop 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
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