AD 2003-21-05

final rule
Data completeness: 80%

Airworthiness Directives; McDonnell Douglas Model MD-11 Airplanes

AD Number
2003-21-05
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. 2001-NM-57-AD
FR Citation
68 FR 59709

Applicability

TypeManufacturerModelDetails
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.

AI-generated summary from the source AD text. Verify against the official source before acting.

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.

AI-generated summary from the source AD text. Verify against the official source before acting.

Compliance Time

Within 1 year after the effective date of this AD

AI-generated summary from the source AD text. Verify against the official source before acting.

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.

AI-generated summary from the source AD text. Verify against the official source before acting.

Source: Official FAA Source ↗

Retrieved: Apr 4, 2026

Rights: U.S. Government Public Domain

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