AD 2007-04-10
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Boeing | 747-400 | Airworthiness Directives; Boeing Model 747-400 Series Airplanes |
Unsafe Condition
Decompression panels on the smoke barrier opening in flight and on the ground without a decompression event, which could result in degraded cargo fire detection and suppression capability, smoke penetration into an occupied compartment, and an uncontrolled cargo fire.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Modify the decompression panels on the smoke barrier in the main deck cargo compartment or replace the smoke barrier with an improved design. Perform repetitive inspections of the decompression panels and take corrective actions if necessary.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Before further flight.
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Affected Aircraft
Boeing Model 747-400 series airplanes, including those added to the applicability by this AD.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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