AD 2026-04-06
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Boeing | Company | Airworthiness Directives; The Boeing Company Airplanes |
Unsafe Condition
Cracks in the inspar outer lower wing skin area near access panel 543BB, specifically in Aviation Partners Boeing machined skin panels installed during winglet modification, could lead to reduced structural integrity or partial wing loss, potentially resulting in 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 wing lower skin panel between wing station (WSTA) 711.5 and WSTA 743.5, left and right wing, using external detailed (visual) and external high frequency eddy current (HFEC) inspections for cracks. Repair any cracks found.
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Compliance Time
Within 5 days
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Affected Aircraft
The Boeing Company Model 757-200 and -300 series airplanes with scimitar blended winglets.
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Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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