AD 2004-06-12
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Boeing | 747-400F | Airworthiness Directives; Boeing Model 747-400F Series Airplanes |
Unsafe Condition
Fatigue cracks in the fuselage skin and frame shear tie assemblies could propagate and result in possible in-flight decompression of the airplane.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Conduct repetitive detailed and general visual inspections of the external fuselage skin for cracks. Inspect affected areas where cracks are found to determine the extent of damage. Repair identified cracks.
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Compliance Time
Within 50 flight hours after the effective date of this AD.
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Affected Aircraft
Boeing Model 747-400F series airplanes with specific serial numbers and configurations as outlined in the AD.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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