AD 2008-23-19
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Boeing | 757 | Airworthiness Directives; Boeing Model 757 Airplanes |
Unsafe Condition
Improper wire bundle support installation and sleeving, along with improperly sealed fasteners in the main and center fuel tanks, could become an ignition source in the event of a fault current, potentially leading to a fuel tank explosion.
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Required Actions
Seal the fasteners on the front and rear spars inside the left and right main fuel tanks, on the rear spar and lower panel of the center fuel tank. Inspect wire bundle support installations to verify the presence of certain clamps and Teflon sleeving, and take corrective actions if necessary.
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Compliance Time
Within 60 months of the effective date (December 30, 2008)
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Affected Aircraft
Boeing Model 757 airplanes, as specified in the Accomplishment Instructions of Boeing Alert Service Bulletin 757-57A0064, dated July 16, 2007.
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Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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