AD 67-28-01
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Twin Commander Aircraft LLC | 560-E | Airworthiness Directives; Aero Commander Model 560E, 680, 680E, and 720 Airplanes |
| aircraft | Twin Commander Aircraft LLC | 680 | Airworthiness Directives; Aero Commander Model 560E, 680, 680E, and 720 Airplanes |
| aircraft | Twin Commander Aircraft LLC | 680-E | Airworthiness Directives; Aero Commander Model 560E, 680, 680E, and 720 Airplanes |
| aircraft | Twin Commander Aircraft LLC | 720 | Airworthiness Directives; Aero Commander Model 560E, 680, 680E, and 720 Airplanes |
Unsafe Condition
Cracks in the lower front spar cap between wing station 67 and 86 on each wing.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Perform visual and dye penetrant inspection in accordance with Aero Commander Service Bulletin Number 92 or approved procedures. Install a top wing access door if needed. Report findings including total time in service to the FAA.
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 AD unless already accomplished
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Affected Aircraft
Aero Commander Model 560E, 680, 680E, and 720 Airplanes
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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