AD 2016-09-05
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Boeing | Company | Airworthiness Directives; The Boeing Company Airplanes |
Unsafe Condition
Multiple reports of the vertical stabilizer leading edge showing signs of fastener distress. Crack in the vertical stabilizer leading edge and front spar cap may result in the structure becoming unable to support limit load, leading to the loss of the vertical stabilizer.
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Required Actions
Detailed inspection for any distress of the vertical stabilizer leading edge skin, and related investigative and corrective actions if necessary. For certain airplanes, repetitive detailed inspections of the spar cap for loose and missing fasteners, repetitive eddy current testing high frequency (ETHF) and radiographic testing (RT) inspections of the spar cap for any crack, and related investigative and corrective actions if necessary.
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Compliance Time
Within 12 months of effective date
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Affected Aircraft
The Boeing Company Model 717-200 airplanes, certificated in any category, as specified in Boeing Alert Service Bulletin 717-55A0012, dated June 12, 2015.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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