AD 64-24-03
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | D & R Nevada LLC | 30 | Airworthiness Directives; GENERAL DYNAMICS Model 30 Series Aircraft |
| aircraft | D & R Nevada LLC | 30A | Airworthiness Directives; GENERAL DYNAMICS Model 30 Series Aircraft |
Unsafe Condition
Emergency electrical stabilizer trim system circuits altered under American Airlines Fleet Campaign Directive No. 194K or General Dynamics/Convair Service Bulletin No. 27-66 could permit a runaway stabilizer condition due to interlocked 'up relay' and 'down relay' coils.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Modify the emergency electric stabilizer trim system circuits by either restoring to original Convair certification design or replacing the single pole switch with a double pole, double throw, momentary on switch as per Service Bulletin No. 27-66A or equivalent approved method.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
within 300 hours' time in service following the effective date of this AD unless already accomplished
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Affected Aircraft
GENERAL DYNAMICS Model 30 Series Aircraft altered under American Airlines Fleet Campaign Directive No. 194K or General Dynamics/Convair Service Bulletin No. 27-66
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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