AD 2007-21-04

Recurring final rule
Data completeness: 80%

Airworthiness Directives; Boeing Model 727 Airplanes

AD Number
2007-21-04
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. FAA-2007-28378
FR Citation
72 FR 58007

Applicability

TypeManufacturerModelDetails
aircraft Boeing 727 Airworthiness Directives; Boeing Model 727 Airplanes

Unsafe Condition

Reports of cracking in the aft pressure bulkhead web, which could result in rapid decompression of the airplane.

AI-generated summary from the source AD text. Verify against the official source before acting.

Required Actions

Perform an initial detailed inspection for cracks in the aft pressure bulkhead web. Repair any cracks found before further flight. Conduct repetitive detailed inspections at specified intervals. Perform related investigative actions if necessary.

AI-generated summary from the source AD text. Verify against the official source before acting.

Compliance Time

Within the compliance times specified in Boeing Special Attention Service Bulletin 727-53-0230, dated January 8, 2007, or within the specified compliance time after the effective date of this AD.

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Affected Aircraft

All Boeing Model 727, 727C, 727-100, 727-100C, 727-200, and 727-200F 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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