AD 2006-06-11
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Boeing | 747-100B SUD | Airworthiness Directives; Boeing Model 747-100B SUD, 747-200B, 747-300, 747-400, and 747-400D Series Airplanes |
Unsafe Condition
Cracking or discrepancies of the fasteners in the tension ties, shear webs, and frames at body stations 1120 through 1220, which could result in rapid decompression of the airplane.
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Required Actions
Repetitively inspect for cracking or discrepancies of the fasteners in the tension ties, shear webs, and frames at body stations 1120 through 1220. Perform related investigative and corrective actions if necessary.
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Compliance Time
Within the compliance times specified in Boeing Alert Service Bulletin 747-53A2507, except as provided by paragraphs (f)(1), (f)(2), and (f)(3) of this AD.
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Affected Aircraft
Boeing Model 747-100B SUD, 747-200B, 747-300, 747-400, and 747-400D series airplanes; and Model 747-200B series airplanes having a stretched upper deck.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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