AD Amdt-39-10672
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Boeing | 747-100 | Airworthiness Directives; Boeing Model 747-100 Series Airplanes |
Unsafe Condition
Cracking of the wing front spar web above engine numbers 2 and 3 and cracked or broken fasteners in the web, which could cause fuel leakage onto an engine and a resultant fire.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Conduct improved inspections to detect vertical cracks in the wing front spar web above engines 2 and 3, repair as necessary, and revise the repetitive inspection program to include the improved inspections.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Before further flight
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Boeing Model 747-100 series airplanes subject to the existing AD requiring repetitive inspections for wing front spar web cracking.
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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