AD 68-11-02
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Lockheed Martin Corporation | 188A | LOCKHEED Model 188A and 188C Series Airplanes |
| aircraft | Lockheed Martin Corporation | 188C | LOCKHEED Model 188A and 188C Series Airplanes |
Unsafe Condition
Fatigue cracks in the upper planks at the fillet attachment holes.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect visually the upper wing planks near the fillet attachment holes on both sides of the four nacelles in accordance with Lockheed Service Bulletin No. 88/SB-649A or approved method. Repairs must be done before further flight if cracks are found. Repetitive inspections are required at intervals not exceeding 1400 hours' time in service unless repairs from specified service bulletins are completed.
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Compliance Time
Within the next 400 hours' time in service after the effective date of this AD, unless already accomplished within the last 1000 hours' time in service, and thereafter at intervals not to exceed 1400 hours' time in service from the last inspection.
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Affected Aircraft
Lockheed Model 188A and 188C Series airplanes.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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