AD 94-09-10

final rule
Data completeness: 70%

Airworthiness Directives; Boeing Model 757 Series Airplanes

AD Number
94-09-10
Status
final_rule
Effective Date
Product Category
aircraft
Docket
94-NM-50-AD
FR Citation
(Federal Register: April 26, 1994 (Volume 59, Number 80))

Applicability

TypeManufacturerModelDetails
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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