AD Amdt-39-10689
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Boeing | 747 | Airworthiness Directives; Boeing Model 747 Series Airplanes |
Unsafe Condition
Missing fasteners of the splice fitting of the forward inner chord of the Body Station (BS) 2598 bulkhead could result in accelerated fatigue cracking of the inner chords, leading to inability of the structure to carry horizontal stabilizer flight loads.
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Required Actions
Conduct a one-time inspection for missing fasteners of the splice fitting; perform corrective actions if necessary, such as replacing or reinstalling fasteners to address deficiencies.
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Compliance Time
Before further flight
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Affected Aircraft
Boeing Model 747 series airplanes with the specified splice fitting configuration affected by the missing fastener issue.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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