AD 62-05-01
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Twin Commander Aircraft LLC | 680-F | Airworthiness Directives; Aero Commander Model 680F Series Aircraft |
| aircraft | Twin Commander Aircraft LLC | 680-FL | Airworthiness Directives; Aero Commander Model 680F Series Aircraft |
| aircraft | Twin Commander Aircraft LLC | 680-FL(P) | Airworthiness Directives; Aero Commander Model 680F Series Aircraft |
| aircraft | Twin Commander Aircraft LLC | 680-F(P) | Airworthiness Directives; Aero Commander Model 680F Series Aircraft |
Unsafe Condition
Failure of the alternate induction air valve and shaft assembly resulting in loss of engine power
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Replace the original air valve and shaft and rig in accordance with instructions outlined in Aero Commander Service Bulletin No. 76A dated February 5, 1962, or FAA approved equivalent.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
within the next 25 hours' time in service after the effective date of this directive
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Aero Commander Model 680F Series Aircraft, including pressurized versions, with serial numbers 871 through 1170
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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