AD Amdt-39-10945
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Boeing | 757 | Airworthiness Directives; Boeing Model 757 Series Airplanes |
Unsafe Condition
Improper installation of engine fuel shutoff valves or crossfeed valve assemblies during manufacturing could lead to uncommanded fuel flow from the fuel tanks to the engine nacelle, reducing airplane fire protection in the event of a leak in the engine fuel line or a fire in the engine nacelle.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect the engine fuel shutoff valves (spar valves) to detect leakage and ensure no leakage occurs when the valves are commanded to close. Perform an alignment procedure of the engine fuel shutoff valves, if necessary.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 60 days after August 28, 1996, or as indicated in the AD, unless previously accomplished.
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Affected Aircraft
Boeing Model 757 series airplanes, as listed in Boeing Alert Service Bulletin 757-28A0045, Revision 1, dated November 19, 1998; 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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