AD 2017-10-07
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Boeing | Company | Airworthiness Directives; The Boeing Company Airplanes |
Unsafe Condition
The aft fuselage skin is subject to widespread fatigue damage (WFD), and reports of aft fuselage skin cracking indicate potential structural integrity issues.
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Required Actions
Conduct repetitive inspections to detect cracking of the aft fuselage skin, inspect for missing or loose fasteners and disbonding or cracking of bonded doublers, perform permanent repairs of time-limited repairs, take related investigative and corrective actions if necessary, and replace skin panels as required.
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Compliance Time
Within 53,000 total flight cycles or as specified in the referenced service information.
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Affected Aircraft
The Boeing Company Model 737-400 series airplanes, as specified in the referenced service information.
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Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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