AD 2006-13-03
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Boeing | 757 | Airworthiness Directives; Boeing Model 757 Airplanes |
Unsafe Condition
Arcing or sparking at the interface between the bulkhead fittings of the engine fuel feed tube and the front spar during a lightning strike, which could provide a possible ignition source for the fuel vapor inside the fuel tank and result in a fuel tank explosion.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
For certain airplanes, rework the spar bonding path and reapply sealant. For certain other airplanes, test the electrical bond between the engine fuel feed hose and the wing front spar, and if applicable, rework the spar bonding path and reapply sealant. For all airplanes, inspect to ensure the electrical bonding jumper is installed between the engine fuel feed tube and the adjacent wing station. Operators that may have installed an incorrect O-ring must install the correct part and do a re-test.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within the compliance times specified in the AD, unless the actions have already been done.
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Affected Aircraft
Boeing Model 757-200, -200PF, and -200CB series airplanes as identified in Boeing Service Bulletin 757-28A0076, Revision 1, dated October 20, 2005; and Model 757-300 series airplanes as identified in Boeing Service Bulletin 757-28A0077, Revision 1, dated October 20, 2005; certificated in any category.
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Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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