AD 2009-24-17
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Boeing | 747-100 | Airworthiness Directives; Boeing Model 747-100, 747-100B, 747-200B, 747-200C, 747-200F, and 747SR Series Airplanes |
Unsafe Condition
Missing fasteners in the stringer-to-stringer clip joints could result in shear tie and skin cracks and rapid in-flight decompression of the airplane.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Perform a one-time general visual inspection for missing fasteners in the left and right side S-10, S-10A, and S-11 stringer-to-stringer clip joints at STA 760 through 940 frames. If fasteners are missing, conduct detailed and surface high frequency eddy current inspections to detect cracking of the adjacent frame and skin structure. Install all missing fasteners before further flight. Repair any cracked shear ties, frame web, and/or skin if found during inspection. Inspect repairs and adjacent structure for cracking at specified intervals.
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.
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Affected Aircraft
Boeing Model 747-100, 747-100B, 747-200B, 747-200C, 747-200F, and 747SR 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 6, 2026
Rights: U.S. Government Public Domain
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