AD 2018-11-13
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Boeing | Company | Airworthiness Directives; The Boeing Company Airplanes |
Unsafe Condition
The degraded stringer bond-line does not meet the residual strength requirements if an adjacent stringer becomes disbonded due to induced damage at a critical location.
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Required Actions
Repetitive inspections of certain upper wing stringers for any disbond and corrective actions, if necessary; and a terminating preventive modification of installing disbond arrestment (DBA) fasteners. The inspection or maintenance program must be revised to incorporate an airworthiness limitation.
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Compliance Time
Before further flight
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Affected Aircraft
The Boeing Company Model 787-8 airplanes.
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Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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