AD 2013-09-01
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Boeing | Company | Airworthiness Directives; The Boeing Company Airplanes |
Unsafe Condition
Cracking of the lap joint lower row could result in sudden decompression of the airplane.
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Required Actions
Conduct repetitive external eddy current inspections for cracking of certain fuselage crown lap joints, and take corrective actions if necessary. Perform internal eddy current and detailed inspections for cracking of certain fuselage crown lap joints, and repair if necessary. Conduct detailed inspections of certain stringer clips, and replace with new stringer clips if necessary.
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Compliance Time
Before further flight
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Affected Aircraft
The Boeing Company Model 737-200, -200C, -300, -400, and -500 series airplanes, including additional airplanes added to the applicability.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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