AD 2001-14-15
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Boeing | 747-400 | Airworthiness Directives; Boeing Model 747-400 Series Airplanes Modified by Supplemental Type Certificate SA8843SW |
Unsafe Condition
Inability to remove power from the passenger entertainment system (PES) during a non-normal or emergency situation could result in inability to control smoke or fumes in the airplane flight deck or cabin.
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Required Actions
Modify the PES to install load shed relays and associated cable assemblies for the PES. Revise the Non-Normal Procedures section of the FAA-approved Airplane Flight Manual (AFM) to advise the flight crew on using the 'UTILITY BUS ON/OFF' power switches to control power to the PES.
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Compliance Time
Within 18 months after the effective date of this AD
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Affected Aircraft
Boeing Model 747-400 series airplanes modified by Supplemental Type Certificate (STC) SA8843SW, certificated in any category.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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