AD 71-09-06
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Martin-Marietta Corporation | 202 | Airworthiness Directives; MARTIN AIRCRAFT Models 202, 202A and 404 Airplanes |
| aircraft | Martin-Marietta Corporation | 202A | Airworthiness Directives; MARTIN AIRCRAFT Models 202, 202A and 404 Airplanes |
| aircraft | Martin-Marietta Corporation | 404 | Airworthiness Directives; MARTIN AIRCRAFT Models 202, 202A and 404 Airplanes |
Unsafe Condition
Cracks or corrosion in the main landing gear aluminum gland nut, P/N 202SD81548 (Menasco Drawing No. 511034).
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Required Actions
Inspect the main landing gear aluminum gland nut for cracks or corrosion using dye penetrant and at least a 10-power glass or equivalent. Replace cracked or corroded parts with unused parts or equivalents before further flight. Discontinue inspections if replaced with a steel gland nut per specified drawings.
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Compliance Time
Within the next 25 hours in service after the effective date (May 4, 1971), unless already accomplished within the last 475 hours in service, and thereafter at intervals not to exceed 500 hours in service from the last inspection.
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Affected Aircraft
Martin-Marietta Corporation Models 202, 202A, and 404 airplanes certificated in all categories.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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