AD 47-47-06
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Martin-Marietta Corporation | 202 | Martin Model 202 Airplanes |
Unsafe Condition
Fatigue cracks in the engine accessory section rear cover near the generator mounting pad could develop, leading to generator failure or engine failure.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect the engine accessory section rear cover for fatigue cracks near the generator mounting pad at first major inspection and at every short period inspection thereafter. After engine overhaul, continue the same inspection sequence.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
at first major (long period) inspection and thereafter as specified below
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Martin-Marietta Corporation Model 202 airplanes with HSP 23260 propellers with YB2H17F3-48R blades and Westinghouse D-30 generators.
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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