AD 2010-21-04

Recurring final rule
Data completeness: 70%

Airworthiness Directives; The Boeing Company Model 747-100, 747-200B, and 747-200F Series Airplanes

AD Number
2010-21-04
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. FAA-2010-0552
FR Citation
75 FR 61977

Applicability

TypeManufacturerModelDetails
aircraft Boeing Company Model 747-100 Airworthiness Directives; The Boeing Company Model 747-100, 747-200B, and 747-200F Series Airplanes

Unsafe Condition

Fatigue cracking and corrosion in the fuselage upper lobe skin panel lap joints, which could lead to rapid decompression of the airplane and inability of the structure to carry fail-safe loads.

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

Required Actions

Inspect the fuselage upper lobe skin panel lap joints for cracks and corrosion at specified intervals using Boeing Service Bulletin 747-53-2307, Revision 3. Perform detailed external visual inspections to detect cracks and corrosion evidence, such as bulging skin, blistered paint, dished fasteners, popped rivet heads, or loose fasteners.

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

Compliance Time

Within 1,000 flight cycles after July 13, 1994, and thereafter at specified intervals.

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

Affected Aircraft

The Boeing Company Model 747-100, 747-200B, and 747-200F series airplanes, certificated in any category, as identified in Boeing Service Bulletin 747-53-2307, Revision 3, dated April 16, 2009.

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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View Official Source ↗ Find More ADs for Boeing Company Model 747-100

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