AD 2016-20-02
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Boeing | Company | Airworthiness Directives; The Boeing Company Airplanes |
Unsafe Condition
The aft pressure bulkhead is subject to widespread fatigue damage (WFD), which could result in fatigue cracking of the aft pressure bulkhead web at the 'Y'-chord, leading to reduced structural integrity and rapid decompression of the fuselage.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Conduct repetitive inspections of the aft pressure bulkhead web for any cracking, incorrectly drilled fastener holes, and elongated fastener holes. Perform related investigative and corrective actions if necessary.
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Compliance Time
Within the compliance times specified in the referenced service information, which corresponds to the WFD inspection start point (ISP) and shorter repetitive intervals where indicated.
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Affected Aircraft
The Boeing Company Model 737-300, -400, and -500 series airplanes, specifically Group 2 airplanes with line numbers 2566 through 3132 inclusive.
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Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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