AD 99-09-01

final rule
Data completeness: 70%

Airworthiness Directives; McDonnell Douglas Model MD-11 Series Airplanes

AD Number
99-09-01
Status
final_rule
Effective Date
Product Category
aircraft
Docket
99-NM-42-AD
FR Citation
(Federal Register: April 22, 1999 (Volume 64, Number 77))

Applicability

TypeManufacturerModelDetails
aircraft The Boeing Company MD-11 Airworthiness Directives; McDonnell Douglas Model MD-11 Series Airplanes
aircraft The Boeing Company MD-11F Airworthiness Directives; McDonnell Douglas Model MD-11 Series Airplanes

Unsafe Condition

Improper installation of the center accessory compartment (CAC) support bracket installations with flanges facing aft could cause chafing of the wire bundles, resulting in sparks, smoke, and possible fire in the CAC.

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Required Actions

Conduct a visual inspection to verify the channel flanges of the bracket installations are facing forward and detect chafing or damage of the wire bundles on the left and right sides of the CAC. Submit a report of the inspection results to the FAA. Corrective actions include removing improperly installed brackets, reinstalling them with flanges facing forward, repairing chafed wires, and reinstalling clamps.

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

Compliance Time

Within 60 days of the effective date

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Affected Aircraft

McDonnell Douglas Model MD-11 and MD-11F airplanes with fuselage numbers 0447-0464, 0466-0552, and 0554-0618.

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Source: Official FAA Source ↗

Retrieved: Apr 8, 2026

Rights: U.S. Government Public Domain

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