AD Amdt-39-9986
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | McDonnell Douglas | MD-11 and DC-10 | Airworthiness Directives; McDonnell Douglas Model MD-11 and DC-10 Series Airplanes, and KC-10A (Military) Airplanes |
| aircraft | Bell | shutoff switches | Airworthiness Directives; McDonnell Douglas Model MD-11 and DC-10 Series Airplanes, and KC-10A (Military) Airplanes |
Unsafe Condition
Improper installation of electrical connectors to the engine generator and fire bell shutoff switches may result in the wrong engine-driven generator being shut down unnecessarily during an engine fire warning.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Install a modification that terminates the requirement for repetitive functional tests and prevents improper connection (crossing) of electrical connectors to the fire extinguishing handles.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Before further flight
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
McDonnell Douglas Model MD-11 and DC-10 series airplanes, and KC-10A (military) airplanes
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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