AD 97-07-12
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | The Boeing Company | DC-10-10 | Airworthiness Directives; McDonnell Douglas Model MD-11 and DC-10 Series Airplanes, and KC-10A (Military) Airplanes |
| aircraft | The Boeing Company | DC-10-10F | Airworthiness Directives; McDonnell Douglas Model MD-11 and DC-10 Series Airplanes, and KC-10A (Military) Airplanes |
| aircraft | The Boeing Company | DC-10-15 | Airworthiness Directives; McDonnell Douglas Model MD-11 and DC-10 Series Airplanes, and KC-10A (Military) Airplanes |
| aircraft | The Boeing Company | DC-10-30 | Airworthiness Directives; McDonnell Douglas Model MD-11 and DC-10 Series Airplanes, and KC-10A (Military) Airplanes |
| aircraft | The Boeing Company | DC-10-30F (KC-10A, KDC-10) | Airworthiness Directives; McDonnell Douglas Model MD-11 and DC-10 Series Airplanes, and KC-10A (Military) Airplanes |
| aircraft | The Boeing Company | DC-10-40 | Airworthiness Directives; McDonnell Douglas Model MD-11 and DC-10 Series Airplanes, and KC-10A (Military) Airplanes |
| aircraft | The Boeing Company | DC-10-40F | Airworthiness Directives; McDonnell Douglas Model MD-11 and DC-10 Series Airplanes, and KC-10A (Military) Airplanes |
| aircraft | The Boeing Company | MD-11 | Airworthiness Directives; McDonnell Douglas Model MD-11 and DC-10 Series Airplanes, and KC-10A (Military) Airplanes |
| aircraft | The Boeing Company | MD-11F | Airworthiness Directives; McDonnell Douglas Model MD-11 and DC-10 Series Airplanes, and KC-10A (Military) Airplanes |
Unsafe Condition
Improper connection of electrical connectors to the engine generator and fire bell shutoff switches, which could result in the wrong engine-driven generator being shut down unnecessarily during an engine fire warning.
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Required Actions
Install a modification that terminates the requirement for repetitive functional tests by preventing improper electrical connector connections. Operators must also perform functional testing as required by AD 93-25-09 R1 or paragraphs (a), (b), or (c) of this rule to verify proper installation.
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Compliance Time
within 24 months
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Affected Aircraft
McDonnell Douglas Model MD-11, DC-10 series (DC-10-10, DC-10-10F, DC-10-15, DC-10-30, DC-10-30F (KC-10A, KDC-10), DC-10-40, DC-10-40F), 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 8, 2026
Rights: U.S. Government Public Domain
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