AD 97-07-12

final rule
Data completeness: 60%

Airworthiness Directives; McDonnell Douglas Model MD-11 and DC-10 Series Airplanes, and KC-10A (Military) Airplanes

AD Number
97-07-12
Status
final_rule
Effective Date
Product Category
aircraft
Docket
95-NM-234-AD
FR Citation
(Federal Register: April 08, 1997 (Volume 62, Number 67))

Applicability

TypeManufacturerModelDetails
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.

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 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.

AI-generated summary from the source AD text. Verify against the official source before acting.

Compliance Time

within 24 months

AI-generated summary from the source AD text. Verify against the official source before acting.

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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