AD 94-09-10
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | The Boeing Company | 757-200 Series | Airworthiness Directives; Boeing Model 757 Series Airplanes |
| aircraft | The Boeing Company | 757-200CB Series | Airworthiness Directives; Boeing Model 757 Series Airplanes |
| aircraft | The Boeing Company | 757-200PF Series | Airworthiness Directives; Boeing Model 757 Series Airplanes |
| aircraft | The Boeing Company | 757-300 Series | Airworthiness Directives; Boeing Model 757 Series Airplanes |
Unsafe Condition
Fuel system leaks in the engine fuel system upstream of the fuel flow transmitter may not be detected by the fuel flow meter, leading to undetected fuel leakage and potential fuel exhaustion.
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Required Actions
Revise the Non-Normal Procedures Section of the FAA-approved Airplane Flight Manual (AFM) to include procedures for detecting fuel system leaks and preventing further fuel loss, such as comparing fuel quantity systems, closing crossfeed valves, turning off center fuel pumps, and shutting down affected engines if a leak is confirmed.
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Compliance Time
Within 60 days after the effective date of this AD
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Affected Aircraft
All Boeing Model 757 series airplanes, including 757-200, 757-200CB, 757-200PF, and 757-300 models, certificated in any category.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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