AD 2000-17-10
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Lockheed | L-1011-385 | Airworthiness Directives; Lockheed Model L-1011-385 Series Airplanes |
Unsafe Condition
Reports of an undetected fire breaching the high speed gearbox (HSGB) case on certain Rolls Royce engines installed on in-service airplanes due to lack of an internal fire detection system within the HSGB.
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Required Actions
Within 24 months after the effective date, modify the engine turbine cooling air panel at the flight engineer/second officer's console, modify the pilot's caution and warning light panel on the main instrument panel, and modify the monitoring system for the engine turbine air temperature, in accordance with Lockheed Service Bulletin 093-77-059 or Revision 1.
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Compliance Time
Within 24 months after the effective date of this AD.
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Affected Aircraft
All Lockheed Model L-1011-385 series airplanes, certificated in any category.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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