AD 83-06-02
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | The Boeing Company | DC-9-81 (MD-81) | Airworthiness Directives; MCDONNELL DOUGLAS Model DC-9-80 Series Airplanes |
| aircraft | The Boeing Company | DC-9-82 (MD-82) | Airworthiness Directives; MCDONNELL DOUGLAS Model DC-9-80 Series Airplanes |
| aircraft | The Boeing Company | DC-9-83 (MD-83) | Airworthiness Directives; MCDONNELL DOUGLAS Model DC-9-80 Series Airplanes |
| aircraft | The Boeing Company | DC-9-87 (MD-87) | Airworthiness Directives; MCDONNELL DOUGLAS Model DC-9-80 Series Airplanes |
Unsafe Condition
Possible discharge of fire extinguishing agent into an unselected area due to improper installation of electrical connections of plugs P1-70, P1-71, P1-72 to Firex bottle No.1 and plugs P1-73, P1-74, P1-75 to Firex bottle No. 2, and improper clamping method.
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Required Actions
Inspect for proper installation of electrical connections of specified plugs to Firex bottles and proper clamping method, correct if necessary, in accordance with McDonnell Douglas DC-9-80 Alert Service Bulletin A26-13 or later revisions. Special flight permits may be issued under FAR 21.197 and 21.199 to operate to a base for compliance.
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Compliance Time
within 300 flight hours time in service after the effective date of this AD
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Affected Aircraft
McDonnell Douglas Model DC-9-80 series airplanes fuselage numbers through 1086, certificated in all categories
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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