AD 2017-13-13
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Boeing | Company | Airworthiness Directives; The Boeing Company Airplanes |
Unsafe Condition
Reports of frame web cracking at certain locations, specifically at station (STA) 344 system penetration holes between stringer S-22L and stringer S-24L.
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Required Actions
Repetitive inspections in certain locations of the frame web, and corrective action if necessary. Inspections and related actions must be performed in accordance with Boeing Alert Service Bulletin 737-53A1354, dated December 2, 2016.
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Compliance Time
Before 35,000 total flight cycles or within 4,500 flight cycles.
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Affected Aircraft
The Boeing Company Model 737-100, -200, -200C, -300, -400, and -500 series airplanes.
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Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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