AD 2008-12-17
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Lockheed | L-1011 | Airworthiness Directives; Lockheed Model L-1011 Series Airplanes |
Unsafe Condition
Chafing of the fuel level control switch wiring harness, which could cause arcing and result in a fire in the fuel tank.
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Required Actions
Inspect the fuel level control switch, wiring harnesses, and harness conduit for visible damage, wear or chafing, broken or missing O-rings, or indications of electrical arcing. Inspect to determine the part number of the wiring harness conduit. Replace any braided fiberglass sleeving with new, improved PVC electrical sleeving over the wiring harness of the fuel level control switch. Revise the FAA-approved maintenance program to incorporate repetitive inspections.
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Compliance Time
Within 12 months of effective date
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Affected Aircraft
Lockheed Model L-1011 series airplanes
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Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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