AD 52-04-02
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Martin-Marietta Corporation | 202 | Martin Models 202 and 202A Aircraft |
| aircraft | Martin-Marietta Corporation | 202A | Martin Models 202 and 202A Aircraft |
Unsafe Condition
Failure of inverter control protection could result in loss of electrical system protection and possible fire hazard.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Provide separate protection for each inverter control and warning light circuit. Also provide separate protection for T and B warning lights in forward area.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
not later than August 1, 1952
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Martin-Marietta Corporation Models 202 and 202A 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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