AD 2015-19-04
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Boeing | Company Model 757 | Airworthiness Directives; The Boeing Company |
Unsafe Condition
Latently failed fuel shutoff valves discovered during fuel filter replacement could result in the inability to shut off fuel to the engine and APU, leading to an uncontrollable fire that could cause structural failure.
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Required Actions
Revise the maintenance or inspection program to include new airworthiness limitations. Inspect fuel shutoff valve actuators for specific part numbers (P/N MA20A2027 or P/N MA30A1001) and ensure compliance with the revised program.
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Compliance Time
Within 7 days after accomplishing the maintenance or inspection program revision.
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Affected Aircraft
The Boeing Company Model 757 airplanes with fuel shutoff valve actuators P/N MA20A2027 (Boeing P/N S343T003-56) or P/N MA30A1001 (Boeing P/N S343T003-66) installed at the engine and APU fuel shutoff valve positions.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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