AD 2003-21-05
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | McDonnell Douglas | MD-11 | Airworthiness Directives; McDonnell Douglas Model MD-11 Airplanes |
Unsafe Condition
The wire bundle contained in the feed-through contacting the bottom of the feed-through, which could cause cable chafing, electrical arcing, and smoke or fire in the cockpit.
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Required Actions
Inspect the wire bundle installation behind the first observer's station to detect damaged or chafed wires. If no damaged or chafed wire is detected, revise the wire bundle support clamp installation. If any damaged or chafed wire is detected, repair the wiring and revise the wire bundle support clamp installation. Install a grommet around the lower edge of the feed-through, replace the support bracket with a new bracket, and relocate the support clamp of the wire bundle, as applicable.
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Compliance Time
Within 1 year after the effective date of this AD
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Affected Aircraft
McDonnell Douglas Model MD-11 airplanes, as listed in Boeing Alert Service Bulletin MD11-24A041, Revision 03, dated September 11, 2002; 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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