AD 2023-08-02
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Boeing | Company | Airworthiness Directives; The Boeing Company Airplanes |
Unsafe Condition
Reports of multiple incidents of torn decompression panels in the bilge area, which could lead to leakage and insufficient Halon concentrations to control a cargo fire, potentially resulting in the loss of continued safe flight and landing.
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Required Actions
Change or replace the bilge barrier assembly in the forward and aft cargo compartments, terminating repetitive inspections. Retain the requirement for repetitive general visual inspections for disengaged or damaged decompression panels, reinstallation of disengaged but undamaged panels, and replacement of damaged panels.
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Compliance Time
Within 12 months of the effective date (June 20, 2023).
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Affected Aircraft
The Boeing Company Model 787-8, -9, and -10 airplanes, excluding those identified in Boeing Alert Requirements Bulletin B787-81205-SB500011-00 RB, Issue 001, dated May 10, 2022, where the required actions have already been accomplished in-production via Boeing Change Notice (CN) AA85484 Part A.
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Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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