AD 2009-15-12
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Boeing | 747-400 and -400D | Airworthiness Directives; Boeing Model 747-400 and -400D Series Airplanes |
Unsafe Condition
The flightcrew's inability to turn off electrical power to the in-flight entertainment (IFE) system and other non-essential passenger cabin systems could result in the inability to control smoke or fumes in the airplane flight deck or passenger cabin during a non-normal or emergency situation.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Install new relays to allow the flightcrew to turn off electrical power to the IFE system and other non-essential passenger cabin systems through the left and right utility bus switches. Other specified actions may also be required.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 12 months of the effective date (August 25, 2009).
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Boeing Model 747-400 and -400D series airplanes, as specified in Boeing Service Bulletin 747-24-2246, dated October 6, 2005.
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
This site is not affiliated with or endorsed by the FAA. Always verify with official sources.