AD 2020-26-16
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Piper | Aircraft | Airworthiness Directives; Piper Aircraft, Inc. Airplanes |
Unsafe Condition
A fatigue crack in a visually inaccessible area of the lower main wing spar cap can cause wing separation.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Calculate the factored service hours for each main wing spar to determine when an inspection is required, inspect the lower main wing spar bolt holes for cracks, and replace any cracked main wing spar.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 50 flight hours
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Affected Aircraft
Piper Aircraft, Inc. Models PA-28-151, PA-28-161, PA-28-181, PA-28-235, PA-28R-180, PA-28R-200, PA-28R-201, PA-28R-201T, PA-28RT-201, PA-28RT-201T, PA-32-260, PA-32-300, PA-32R-300, PA-32RT-300, and PA-32RT-300T airplanes.
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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