AD 2008-17-17
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Boeing | 747 | Airworthiness Directives; Boeing Model 747 Airplanes |
Unsafe Condition
Reports of cracks found at fastener locations in the fuselage skins at section 41, which could join together and become large, resulting in rapid decompression of the cabin.
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Required Actions
Inspect fuselage skins at section 41 to find external doublers covering inspection areas and identify those ending on a stringer, and perform related investigative and corrective actions as specified in Boeing Alert Service Bulletin 747-53A2704.
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Compliance Time
Within the compliance times specified in Tables 1 and 2 of Boeing Alert Service Bulletin 747-53A2704, or within 2,000 flight cycles after the effective date of this AD, whichever occurs later.
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Affected Aircraft
All Boeing Model 747-100, 747-100B, 747-100B SUD, 747-200B, 747-200C, 747-200F, 747-300, 747-400, 747-400D, 747-400F, 747SR, and 747SP series airplanes, certificated in any category.
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Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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