AD 2016-07-28
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Boeing | Company | Airworthiness Directives; The Boeing Company Airplanes |
Unsafe Condition
Reports of cracking at stringers S-15, S-16, or S-17, associated end fittings, and skins in the center wing fuel tank where the stringers meet the end fittings. Such cracking could cause structural failure of the wings.
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Required Actions
Accomplish repetitive eddy current high frequency (ETHF) inspections for any cracking in the left and right side center wing lower skin. Take corrective actions if necessary, such as repairs, using approved methods or data that meet the certification basis of the airplane.
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Compliance Time
Within the compliance times specified in Boeing Alert Service Bulletin MD80-57A244, dated March 3, 2016.
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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.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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