AD 2011-25-05
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Boeing | Company | Airworthiness Directives; The Boeing Company Airplanes |
Unsafe Condition
Possible sources of ignition in a fuel tank caused by electrical fault or uncommanded dry operation of the main tank boost pumps and center auxiliary tank override and jettison pumps.
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Required Actions
Install new panel assemblies in the main equipment center or on the forward cargo compartment sidewall. Remove certain relays from some panels in the main equipment center. Revise the maintenance program to incorporate Airworthiness Limitations No. 28-AWL-27 and No. 28-AWL-28. For airplanes with optional water system drain plumbing, install the new panel assemblies at an alternative location and change the interconnecting wiring between the P141 panel and the P36 and P37 panels. For airplanes with a deactivated center fuel tank, perform an alternative functional test for the left and right override/jettison pumps.
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Compliance Time
Before further flight
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Affected Aircraft
The Boeing Company Model 767 airplanes.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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