AD Amdt-39-10916
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Aerostar | Various | Airworthiness Directives; Aerostar Aircraft Corporation PA-60-600 and PA-60-700 Series Airplanes |
Unsafe Condition
Fatigue cracking of the wing upper spar cap, which could result in structural failure of the wing spar to the point of failure with consequent loss of control of the airplane.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect the forward face of each wing's 55-percent upper spar cap for cracks above the main landing gear fitting in the top of the wheel well. Replace or repair any cracked upper spar cap. Initial inspection must use dye penetrant methods; subsequent inspections must be at least visual.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 100 hours time-in-service after the effective date, and thereafter at intervals not to exceed 100 hours TIS.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Aerostar Aircraft Corporation PA-60-600 and PA-60-700 series airplanes, including models PA-60-600, PA-60-601, PA-60-601P, PA-60-602P, and PA-60-700P.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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