AD 2003-18-01
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | General Dynamics | Various | Airworthiness Directives; General Dynamics (Convair) Model P4Y-2 Airplanes, General Dynamics (Consolidated-Vultee) (Army) Model LB-30 Airplanes, and General Dynamics (Consolidated) (Army) Model C-87A Airplanes |
Unsafe Condition
Fatigue cracking in the lower rear cap of the wing front spar, front spar web, and lower skin of the wings, which could result in structural failure of the wings and consequent loss of control of the airplane.
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Required Actions
Inspect for fatigue cracks in the lower rear cap of the wing front spar, front spar web, and lower skin of the wings. Repair or replace any cracked part with a new part. Conduct follow-on inspections at new intervals.
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Compliance Time
Within 30 days after the effective date for Models P4Y-2 and LB-30 airplanes.
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Affected Aircraft
General Dynamics (Convair) Model P4Y-2 airplanes, General Dynamics (Consolidated-Vultee) (Army) Model LB-30 airplanes, and General Dynamics (Consolidated) (Army) Model C-87A airplanes; certificated in any category.
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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