AD 2017-17-04
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Boeing | Company | Airworthiness Directives; The Boeing Company Airplanes |
Unsafe Condition
Cracks in the upper aft skin of the right wing at certain fastener holes along the rear spar upper chord, which could result in the inability of a principle structural element to sustain limit load and consequent reduced structural integrity of the airplane.
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Required Actions
Conduct repetitive inspections for cracking of the upper aft skin of the wings, and repair if necessary. Detailed inspections are required for Group 2 airplanes as specified in Boeing Alert Service Bulletin 737-57A1332.
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Compliance Time
Within the compliance times specified in the referenced service bulletin, unless already done.
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Affected Aircraft
The Boeing Company Model 737-100, -200, -200C, -300, -400, and -500 series airplanes, certificated in any category. Installation of Supplemental Type Certificate (STC) ST01219SE does not affect applicability.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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