AD Amdt-39-11040
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Sikorsky | Aircraft Corporation Model S- 76C | Airworthiness Directives; Sikorsky Aircraft Corporation Model S- 76C Helicopters |
Unsafe Condition
In-flight engine flame-out due to air entering a fuel supply line when there is less than 250 lbs. of fuel in either fuel tank.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Install a placard in the cockpit adjacent to the fuel quantity gauge stating 'No flight operations to be conducted with less than 250 lbs. fuel in each tank.' Place the AD in the Operating Limitations section of the Rotorcraft Flight Manual. Defuel, start the engine, and inspect fuel supply lines if necessary within 50 hours time-in-service (TIS) or 30 calendar days, whichever occurs first.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Before further flight for placard installation; within 50 hours TIS or 30 calendar days for defueling, engine starting, and inspection.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Sikorsky Aircraft Corporation Model S-76C helicopters.
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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