AD 2018-10-07
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Sikorsky | Various | Airworthiness Directives; Sikorsky Aircraft Corporation |
Unsafe Condition
Wear of the engine collective position transducer (CPT) has resulted in several One Engine Inoperative (OEI) incidents.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect the CPT by measuring resistance, linearity resistance movement, and differential voltage. Depending on the outcome of the inspections, replace the CPT.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 50 flight hours
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Sikorsky Model S-76C helicopters with a Turbomeca, S.A., Arriel 2S1 or Arriel 2S2 engine with an engine CPT part number (P/N) 76900-01821-104 installed.
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.