AD 52-04-04
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
The lighting circuit protection may not provide adequate panel illumination for necessary flight instruments.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Install two separate and individually protected circuits for instrument panel lighting, each providing adequate panel illumination for necessary flight instruments.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
July 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
This site is not affiliated with or endorsed by the FAA. Always verify with official sources.