AD 2005-20-33

Recurring final rule
Data completeness: 70%

Airworthiness Directives; Boeing Model 727, 727C, 727-100, and 727-100C Series Airplanes

AD Number
2005-20-33
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. 2003-NM-238-AD
FR Citation
70 FR 59266

Applicability

TypeManufacturerModelDetails
aircraft Boeing 727 Airworthiness Directives; Boeing Model 727, 727C, 727-100, and 727-100C Series Airplanes

Unsafe Condition

Fatigue cracking of the forward and aft edge frames of the lower lobe forward cargo door (FCD) cutout, which could result in the loss of the FCD and rapid decompression of the airplane.

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

Required Actions

Perform detailed and high frequency eddy current inspections for cracks in the web and the inner and outer chords of the forward and aft frames of the forward cargo doorway. Repeat inspections at intervals not to exceed 3,000 flight cycles. If any crack is found, repair before further flight per an approved method.

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

Compliance Time

Within 3,000 flight cycles after the effective date of this AD, or as specified in paragraphs (a) or (b) of the AD.

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

Affected Aircraft

Boeing Model 727, 727C, 727-100, and 727-100C series airplanes, line numbers 1 through 694 inclusive, 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 6, 2026

Rights: U.S. Government Public Domain

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