AD 2001-16-04
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Fokker | F27 Mark 050 | Airworthiness Directives; Fokker Model F27 Mark 050 Series Airplanes Equipped With Pratt & Whitney Canada Model PW127B Engines |
| engine | Pratt & Whitney | Canada Model PW127B | Airworthiness Directives; Fokker Model F27 Mark 050 Series Airplanes Equipped With Pratt & Whitney Canada Model PW127B Engines |
Unsafe Condition
Interruption of the torque signal between torque sensor No. 1 and the auto-feathering unit (AFU), due to fretting damage in the current electrical connectors, could result in inadvertent autofeathering of the propellers, loss of engine power, and loss of control of the airplane.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Replace torque sensor No. 1 with one having an improved connector and replace the electrical connectors on the wiring harness with improved connectors, in accordance with the specified service bulletin.
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
Fokker Model F27 Mark 050 series airplanes equipped with Pratt & Whitney Canada Model PW127B 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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