AD Amdt-39-11162
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Boeing | 747-100 | Airworthiness Directives; Boeing Model 747-100, 747-200, and 747- SP Series Airplanes and Military Type E-4B Airplanes |
Unsafe Condition
Fatigue cracks on the aft surface of the wing front spar web could result in a fuel leak and increased risk of fire.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect the wing front spar web for cracks. Repair any cracked structure. Optional terminating action may be performed to cease repetitive 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, 747-200, 747-SP series airplanes, and military type E-4B 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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