AD 63-24-02
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Martin-Marietta Corporation | 202 | MARTIN Models 202, 202A and 404 Aircraft |
| aircraft | Martin-Marietta Corporation | 202A | MARTIN Models 202, 202A and 404 Aircraft |
| aircraft | Martin-Marietta Corporation | 404 | MARTIN Models 202, 202A and 404 Aircraft |
Unsafe Condition
Cracks found in the rear wing spar flange and in the Eastern Airlines P/N 304-5098-1 doubler on several aircraft.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect wing rear spar lower cap flanges and doubler at Stations 133 to 135 using 10-power glass and dye penetrant or X-ray. Repair cracked members per Eastern Airlines Drawing No. 404-5098 or approved equivalent. Replace doubler with cracks over 1/2 inch before flight; inspect doublers with smaller cracks every 25 hours' time in service.
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Compliance Time
within 50 hours' time in service after the effective date of this AD, unless already accomplished within the last 450 hours' time in service, and at intervals thereafter not to exceed 500 hours' time in service from the last inspection
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Affected Aircraft
Martin-Marietta Corporation Models 202, 202A, and 404 aircraft
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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