AD 2021-22-23
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Boeing | Company | Airworthiness Directives; The Boeing Company Airplanes |
Unsafe Condition
Crack indications found in the lower aft wing skin bolt holes where the flap tracks attach to the track support fitting, which could result in the inability of the structure to carry limit load and could adversely affect the structural integrity of the airplane.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Repetitive high frequency eddy current (HFEC) inspections for cracking of the lower aft wing skin aft edge at certain flap tracks, and repair if necessary.
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Compliance Time
Within 50 flight hours
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Affected Aircraft
All The Boeing Company Model 757-200, -200PF, -200CB, and -300 series 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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