AD 90-02-06
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Lavia Argentina S.A. (Laviasa) | PA-25 | Airworthiness Directives; PIPER Models PA-25, PA-25-235, and PA-25-260 Airplanes |
| aircraft | Lavia Argentina S.A. (Laviasa) | PA-25-235 | Airworthiness Directives; PIPER Models PA-25, PA-25-235, and PA-25-260 Airplanes |
| aircraft | Lavia Argentina S.A. (Laviasa) | PA-25-260 | Airworthiness Directives; PIPER Models PA-25, PA-25-235, and PA-25-260 Airplanes |
Unsafe Condition
Cracks or other damage in the forward wing spar cap(s) due to incorporation of the metal wing skin modification by Supplemental Type Certificate (STC) SA501SW.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Remove wing walk lower rear and lower front skin panels, detach leading edge and lower wing skin panels to inspect spar lower cap, visually inspect with 10X glass and penetrant procedures, reinstall skins if no cracks; replace spar(s) if cracks found, submit inspection report within seven days.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 500 hours time-in-service since STC SA501SW incorporation or within 25 hours time-in-service after February 8, 1990, whichever is later.
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Affected Aircraft
PIPER Models PA-25, PA-25-235, and PA-25-260 (all Serial Numbers) with STC SA501SW.
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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