AD 73-26-10
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | D & R Nevada LLC | 22 | Airworthiness Directives; GENERAL DYNAMICS Models 22, 22M, and 30A Airplanes |
| aircraft | D & R Nevada LLC | 22M | Airworthiness Directives; GENERAL DYNAMICS Models 22, 22M, and 30A Airplanes |
| aircraft | D & R Nevada LLC | 30A | Airworthiness Directives; GENERAL DYNAMICS Models 22, 22M, and 30A Airplanes |
Unsafe Condition
Partial or total loss of generator power due to electric freon pack compressor motor failure.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Replace freon pack fuses with LPN 110 fuses for Model 22 airplanes within 50 hours' time in service. Modify freon pack compressor motor protectors per specified service bulletins for Models 22, 22M, and 30A within 300 hours' time in service. Equivalent installations may be approved by FAA upon submission of data.
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Compliance Time
Within 50 hours' time in service after the effective date of this AD (for Model 22) and within 300 hours' time in service after the effective date (for Models 22, 22M, and 30A).
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Affected Aircraft
GENERAL DYNAMICS Models 22, 22M, and 30A airplanes with Hamilton Standard Electric Freon Packs Part Numbers 574056, 573970 (Model 22), 573971 (Model 22M), or 574057 (Model 30A).
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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