AD 2000-08-20
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Lockheed | L-1011-385 | Airworthiness Directives; Lockheed Model L-1011-385 Series Airplanes |
Unsafe Condition
Failure of bleed air system components such as thermal compensators and bleed air ducts, which could result in high temperature air leaking into the cabin and/or cargo areas and possibly require an emergency landing and evacuation.
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Required Actions
Within 14 months after the effective date, modify the high pressure bleed valve controller of each engine in accordance with Lockheed Service Bulletin 093-36-065. As of the effective date, no person shall install a high pressure bleed valve controller with Hamilton Standard part numbers 739084-2 or 739084-3 (Lockheed P/N 672286-103 or 672286-105) unless it has been modified in accordance with this AD.
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Compliance Time
Within 14 months after the effective date of this AD.
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Affected Aircraft
Lockheed Model L-1011-385-1, -1-14, -1-15, and -3 series airplanes equipped with high pressure bleed valve controller Hamilton Standard part numbers 739084-2 or 739084-3 (Lockheed P/N 672286-103 or 672286-105).
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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