AD 2012-18-13
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Boeing | Company | Airworthiness Directives; The Boeing Company Airplanes |
Unsafe Condition
Fatigue cracks in the aft pressure bulkhead, which could result in rapid decompression of the fuselage.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Perform low frequency eddy current (LFEC) inspections and detailed visual inspections of the aft pressure bulkhead web at body station 1016. Conduct detailed, high frequency eddy current (HFEC) inspections and LFEC inspections of the web at the 'Y' chord of the bulkhead, the web under the outer circumferential tear strap, the 'Z' stiffeners at the dome cap, and existing repairs. Perform on-condition inspections for oil canning or cracking as necessary.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within the compliance times specified in the AD, unless already done.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
The Boeing Company Model 737-100, -200, -200C, -300, -400, and -500 series airplanes, certificated in any category.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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