AD 91-14-23

final rule
Data completeness: 70%

Airworthiness Directives; BOEING Model 747-400 Series Airplanes

AD Number
91-14-23
Status
final_rule
Effective Date
Product Category
aircraft
Docket
91-NM-60-AD
FR Citation
This information is not available.

Applicability

TypeManufacturerModelDetails
aircraft The Boeing Company 747-400 Series Airworthiness Directives; BOEING Model 747-400 Series Airplanes

Unsafe Condition

Smoke and fire in the Door 5 Crew Rest Station due to electrical power provided by circuit breakers C8823 and C8824 to the crew rest bunk reading lights (Grimes Part Number 15-0175-9).

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

Required Actions

Disconnect, cap, and stow wires connected to circuit breakers C8823 and C8824 at the P84 panel. Collar the circuit breakers in the open position and label them INOPERATIVE. Alternative methods or compliance time adjustments may be approved by the FAA Manager, Seattle ACO.

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

Compliance Time

within 60 days after the effective date of this AD, unless previously accomplished

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

Affected Aircraft

Boeing Model 747-400 series airplanes delivered with Door 5 Crew Rest Stations, certificated in any category

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

Source: Official FAA Source ↗

Retrieved: Apr 8, 2026

Rights: U.S. Government Public Domain

This site is not affiliated with or endorsed by the FAA. Always verify with official sources.