AD 2014-19-03
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Boeing | Company | Airworthiness Directives; The Boeing Company Airplanes |
Unsafe Condition
The fuse pins for the strut-to-wing attachment of the outboard aft upper spar are susceptible to migration in the event of a failed fuse pin through bolt, which could result in the complete disconnect and loss of the strut-to-wing attachment load path for the outboard aft upper spar.
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Required Actions
Replace the fuse pins for the outboard aft upper spar and the access cover assemblies on struts Nos. 1 and 4 with new fuse pins and access cover assemblies, in accordance with the Accomplishment Instructions of Boeing Alert Service Bulletin 747-54A2238.
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Compliance Time
Within 48 months after the effective date of this AD.
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Affected Aircraft
The Boeing Company Model 747-8 and 747-8F series airplanes; certificated in any category; having a variable number identified in paragraph 1.A., 'Effectivity,' of Boeing Alert Service Bulletin 747-54A2238, dated January 31, 2014; and variable number RC573.
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Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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