AD 2016-25-06
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Boeing | Company | Airworthiness Directives; The Boeing Company Airplanes |
Unsafe Condition
Fatigue cracking in the rear spar lower caps of the horizontal stabilizer, which, paired with cracking in adjacent areas, could adversely affect the structural integrity of the airplane.
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Required Actions
Conduct repetitive inspections for cracking of the rear spar lower caps of the horizontal stabilizer, perform post-modification and post-repair inspections, and take corrective actions if necessary. An optional terminating fatigue life enhancement modification is also provided.
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Compliance Time
Within the compliance times specified in the AD, unless already done.
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Affected Aircraft
The Boeing Company Model DC-9-81 (MD-81), DC-9-82 (MD-82), DC-9-83 (MD-83), DC-9-87 (MD-87), and Model MD-88 airplanes, certificated in any category.
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Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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