AD 66-04-02
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Lockheed Martin Corporation | 188A | LOCKHEED Models 188A and 188C Series Airplanes |
| aircraft | Lockheed Martin Corporation | 188C | LOCKHEED Models 188A and 188C Series Airplanes |
Unsafe Condition
Cracking induced by corrosion in the upper and lower wing plank splice areas and at the access door-to-plank splices.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect internally for cracks in specified wing plank splice areas, visually inspect for corrosion and bulging, and ultrasonically inspect for corrosion and cracks. Repairs must be made before further flight if corrosion or cracks exceed specified limits. Re-seal loose sealant areas as required.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within the next 100 hours' time in service after the effective date of this AD, and at subsequent intervals as specified in the AD text.
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Affected Aircraft
Lockheed Models 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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