AD 2004-13-15

Recurring final rule
Data completeness: 80%

Airworthiness Directives; Boeing Model 747-400 and -400D Series Airplanes

AD Number
2004-13-15
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. 2003-NM-126-AD
FR Citation
69 FR 38824

Applicability

TypeManufacturerModelDetails
aircraft Boeing 747-400 and -400D Airworthiness Directives; Boeing Model 747-400 and -400D Series Airplanes

Unsafe Condition

Fatigue cracks in the section 42 skin at the cutout for the ground exhaust valve of the electrical equipment, 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

Inspect section 42 skin and internal doubler for missing fasteners. Modify and rework the doubler. Perform repetitive inspections of the skin for cracks. Take corrective actions if necessary.

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

Compliance Time

Within 250 flight cycles or 4 months after the effective date, whichever occurs later.

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

Affected Aircraft

Boeing Model 747-400 and -400D series airplanes, as listed in Boeing Alert Service Bulletin 747-53A2340, Revision 2, dated April 24, 2003.

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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