AD 2013-11-04
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Boeing | Company | Airworthiness Directives; The Boeing Company Airplanes |
Unsafe Condition
Burned BMS 8-39 urethane foam seals, with fire-retardant properties that deteriorate with age, may fail to maintain sufficient Halon concentrations in cargo compartments to extinguish or contain fire or smoke, and may allow penetration of fire or smoke in areas difficult to access for detection or suppression.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Replace certain seals made of BMS 8-39 urethane foam in specified areas of the airplane. Do not install BMS 8-39 urethane foam seals on any airplane after the effective date of the AD.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 12 months of the effective date of the AD.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
The Boeing Company Model 747-100, 747-100B, 747-100B SUD, 747-200B, 747-200F, 747-300, 747-400, 747-400D, 747-400F, 747SR, and 747SP series airplanes; Model 767-200, -300, -300F, and -400ER series airplanes; and Model 777-200, -200LR, -300, and -300ER series airplanes.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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