AD 99-09-01
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| 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.
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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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