AD 80-22-52
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | The Boeing Company | DC-9-81 (MD-81) | Airworthiness Directives; MCDONNELL DOUGLAS DC-9-80 Series Airplanes |
| aircraft | The Boeing Company | DC-9-82 (MD-82) | Airworthiness Directives; MCDONNELL DOUGLAS DC-9-80 Series Airplanes |
| aircraft | The Boeing Company | DC-9-83 (MD-83) | Airworthiness Directives; MCDONNELL DOUGLAS DC-9-80 Series Airplanes |
| aircraft | The Boeing Company | DC-9-87 (MD-87) | Airworthiness Directives; MCDONNELL DOUGLAS DC-9-80 Series Airplanes |
Unsafe Condition
Failure of the fire extinguisher cartridge P/N 876296-01E to discharge the fire extinguishing agent container due to manufacturing defects.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect each cartridge installed in the engine and APU fire extinguishing systems within 24 hours of AD effective date. Remove and dispose of cartridges with P/N 876296-01E stamped on the shank. Replace defective cartridges with acceptable part numbers. Dispose of or return P/N 876296-01E cartridges from stock.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 24 hours following the effective date of this AD
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Affected Aircraft
MCDONNELL DOUGLAS DC-9-80 series airplanes with Walter Kidde fire extinguisher systems installed, including DC-9-81 (MD-81), DC-9-82 (MD-82), DC-9-83 (MD-83), and DC-9-87 (MD-87) models.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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