AD 2004-14-13
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Boeing | 747-100 | Airworthiness Directives; Boeing Model 747-100, 747-200B, 747-200C, 747-200F, 747-300, 747-400, 747-400D, 747-400F, and 747 SR Series Airplanes |
Unsafe Condition
Fractured discharge heads on fire extinguisher bottles in the engine and auxiliary power unit (APU), which could cause the fire extinguishing agent to leak, leading to an uncontrolled engine fire that could spread to the strut and wing, or an uncontrolled APU fire that could spread to the airplane structure.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect fire extinguisher bottles in the engine and APU to determine the part number. Replace the fire extinguisher bottles with new ones, if necessary, based on the inspection results.
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Compliance Time
Within two years after the effective date of the AD.
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Affected Aircraft
Boeing Model 747-100, 747-200B, 747-200C, 747-200F, 747-300, 747-400, 747-400D, 747-400F, and 747 SR series airplanes, as listed in Boeing Alert Service Bulletin 747-26A2272, dated January 16, 2003.
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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