AD 73-11-02
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Piper Aircraft Inc. | PA-34-200 | Airworthiness Directives; Piper Model PA-34-200 Airplanes |
Unsafe Condition
Weakening of the main landing gear support structure due to cracks and/or wrinkles in wing ribs and skins, which may propagate from the forward lower corner of the rib web toward the aft upper corner, and cracks at the main landing gear aft trunnion fitting attachment point.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Visually check left and right wing lower surface skins for wrinkles outboard of the wheel well openings. If wrinkles are present, check wing ribs at wing station 69.24 for cracks/ wrinkles in the web. If wrinkles are present and modification kit 760 696V is not installed, check the aft false spar attachment area for cracks. Replace affected parts with serviceable parts or make an FAA-approved repair if cracks/ wrinkles are found. Repeat inspections every 10 hours time in service. After hard landings, perform the checks again. If modification kit 760 696V is installed and Service Bulletin 406 is complied with, repetitive inspections are no longer required.
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Compliance Time
within the next 10 hours time in service after the effective date of this AD and thereafter at intervals not to exceed 10 hours time in service from the last inspection
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Affected Aircraft
Piper Model PA-34-200 airplanes with serial numbers 34-E4 and 34-7250001 through 34-7450039
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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