AD 66-08-04
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Martin-Marietta Corporation | 202 | Airworthiness Directives; MARTIN Models 202, 202A, and 404 Airplanes |
| aircraft | Martin-Marietta Corporation | 202A | Airworthiness Directives; MARTIN Models 202, 202A, and 404 Airplanes |
| aircraft | Martin-Marietta Corporation | 404 | Airworthiness Directives; MARTIN Models 202, 202A, and 404 Airplanes |
Unsafe Condition
Cracks in the piston of the piston and fork assembly of the nose landing gear, specifically part number 202SD84483, could lead to failure of the nose landing gear assembly.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect for cracks around the periphery of the lower part of the piston using dye penetrant or equivalent method. Repair cracks by grinding or replacement with part number 202SD84483 or an approved equivalent. Re-inspections are required at specified intervals after repair.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Compliance required as indicated in the AD, with specific timelines based on the time in service of the nose landing gear assembly. For assemblies with 6,000+ hours on the effective date, comply within next 100 hours' time in service; for those with less than 6,000 hours, comply before 6,100 hours' time in service. Thereafter, inspections at intervals not exceeding 450 hours' time in service (or 150 hours post-repair).
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Martin-Marietta Corporation Models 202, 202A, and 404 airplanes with nose landing gear piston and fork assembly part number 202SD84483.
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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