AD 2008-16-14
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Boeing | 747-100 | Airworthiness Directives; Boeing Model 747-100, 747-100B, 747-100B SUD, 747-200B, 747-200C, 747-200F, 747-300, 747-400, 747SR, and 747SP Series Airplanes |
Unsafe Condition
Reports of fuselage skin cracks found at certain countersunk fastener locations in the upper row of lap joints near the wing-to-body fairings, and the presence of Alodine-coated rivets causing faulty results during inspections using the optional sliding probe HFEC inspection method.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Replace the previous HFEC inspection method with a new HFEC inspection method, add a one-time inspection for cracking, terminate the adjustment factor for inspection compliance times based on cabin differential pressure, and inspect additional lap joints.
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Compliance Time
Within the compliance times specified in the AD, unless the actions have already been done.
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Affected Aircraft
Boeing Model 747-100, 747-100B, 747-100B SUD, 747-200B, 747-200C, 747-200F, 747-300, 747-400, 747SR, and 747SP series airplanes, certificated in any category, as identified in Boeing Alert Service Bulletin 747-53A2312, Revision 3, dated February 8, 2007.
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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