AD Amdt-39-10966
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Boeing | 747 | Airworthiness Directives; Boeing Model 747 Series Airplanes |
Unsafe Condition
Corrosion on the rear spar web of the wing center section and adjacent bulkhead fittings at body station 1241 could lead to cracking of the rear spar web, resulting in a fuel leak and consequent fire/explosion in the wheel well of the main landing gear.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Conduct repetitive detailed visual inspections to detect corrosion on the rear spar web and bulkhead fittings. Take corrective action, if necessary, to address detected corrosion.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 12 months of the effective date (February 2, 1999).
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Boeing Model 747 series airplanes, as specified in the AD, with certain configurations or service histories that trigger the requirement.
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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