AD Amdt-39-10994
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Lockheed | L-1011-385-1 | Airworthiness Directives; Lockheed Model L-1011-385-1 Series Airplanes |
Unsafe Condition
Fatigue cracking of the primary and secondary drive shafts of the galley lift system, leading to complete fracturing of the secondary shaft and potential uncontrolled drop of the galley lift to the bottom of the shaft.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Modify the power drive units and the lower drive sprocket assemblies of the galley lift system to prevent fatigue cracking of the drive shafts.
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
Lockheed Model L-1011-385-1 series airplanes.
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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