AD 2004-12-16
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | McDonnell Douglas | MD-11 and -11F | Airworthiness Directives; McDonnell Douglas Model MD-11 and -11F Airplanes |
Unsafe Condition
One or more inoperable remote control circuit breakers (RCCB) of the alternating current (AC) cabin bus switch during smoke and fume isolation procedures could propagate smoke and fumes in the cockpit and passenger cabin.
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Required Actions
Within 45 days after the effective date of this AD, perform an inspection to verify operation of the RCCBs of the AC cabin bus switch. If all RCCBs are operating properly, repeat the inspection at intervals not to exceed 700 flight hours. If any RCCB is not operating properly, replace the failed RCCB with a new RCCB prior to further flight and repeat the inspection at intervals not to exceed 700 flight hours.
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Compliance Time
Within 45 days after the effective date of this AD
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Affected Aircraft
McDonnell Douglas Model MD-11 and -11F airplanes, as listed in Boeing Alert Service Bulletin MD11-24A181, Revision 1, dated July 11, 2003; 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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