AD 2013-13-11
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Boeing | Company | Airworthiness Directives; The Boeing Company Airplanes |
Unsafe Condition
Loss of the engine fuel suction feed capability of the fuel system, which, in the event of total loss of the fuel boost pumps, could result in multi-engine flameout, inability to restart the engines, and consequent forced landing of the airplane.
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Required Actions
Repetitive operational tests of the engine fuel suction feed of the fuel system must be conducted, along with other related testing and corrective actions if necessary.
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Compliance Time
Within 30,000 flight hours or 6 years, whichever is first.
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Affected Aircraft
The Boeing Company Model 747-400, -400D, and -400F series airplanes.
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Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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