AD 94-06-01
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | The Boeing Company | DC-9-81 (MD-81) | Airworthiness Directives; McDonnell Douglas Model DC-9-80 Series Airplanes and Model MD-88 Airplanes |
| aircraft | The Boeing Company | DC-9-82 (MD-82) | Airworthiness Directives; McDonnell Douglas Model DC-9-80 Series Airplanes and Model MD-88 Airplanes |
| aircraft | The Boeing Company | DC-9-83 (MD-83) | Airworthiness Directives; McDonnell Douglas Model DC-9-80 Series Airplanes and Model MD-88 Airplanes |
| aircraft | The Boeing Company | DC-9-87 (MD-87) | Airworthiness Directives; McDonnell Douglas Model DC-9-80 Series Airplanes and Model MD-88 Airplanes |
| aircraft | The Boeing Company | MD-88 | Airworthiness Directives; McDonnell Douglas Model DC-9-80 Series Airplanes and Model MD-88 Airplanes |
Unsafe Condition
The absence of slotted attach points on ceiling pressure relief panels in cargo compartments could prevent proper action of the panels during rapid decompression caused by a hole below the compartment floor, leading to structural failure of the airplane.
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Required Actions
Inspect ceiling relief panels in forward, mid, and aft cargo compartments to check for slotted attach points using Service Bulletin 25-335. If slotted attach points are missing, modify the panels prior to further flight as per the service bulletin. Submit alternative compliance requests through FAA Principal Maintenance Inspectors to the Los Angeles ACO.
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Compliance Time
Within 18 months after the effective date of this AD
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Affected Aircraft
McDonnell Douglas Model DC-9-81 (MD-81), DC-9-82 (MD-82), DC-9-83 (MD-83), DC-9-87 (MD-87) series airplanes, and Model MD-88 airplanes as listed in Service Bulletin 25-335 dated April 28, 1993.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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