AD 95-11-12

final rule
Data completeness: 70%

Airworthiness Directives; McDonnell Douglas Model DC-9, DC-9-80, and C-9 (Military) Series Airplanes, and Model MD-88 Airplanes

AD Number
95-11-12
Status
final_rule
Effective Date
Product Category
aircraft
Docket
94-NM-194-AD
FR Citation
(Federal Register: June 01, 1995 (Volume 60, Number 105))

Applicability

TypeManufacturerModelDetails
aircraft The Boeing Company DC-9-11 Airworthiness Directives; McDonnell Douglas Model DC-9, DC-9-80, and C-9 (Military) Series Airplanes, and Model MD-88 Airplanes
aircraft The Boeing Company DC-9-12 Airworthiness Directives; McDonnell Douglas Model DC-9, DC-9-80, and C-9 (Military) Series Airplanes, and Model MD-88 Airplanes
aircraft The Boeing Company DC-9-13 Airworthiness Directives; McDonnell Douglas Model DC-9, DC-9-80, and C-9 (Military) Series Airplanes, and Model MD-88 Airplanes
aircraft The Boeing Company DC-9-14 Airworthiness Directives; McDonnell Douglas Model DC-9, DC-9-80, and C-9 (Military) Series Airplanes, and Model MD-88 Airplanes
aircraft The Boeing Company DC-9-15 Airworthiness Directives; McDonnell Douglas Model DC-9, DC-9-80, and C-9 (Military) Series Airplanes, and Model MD-88 Airplanes
aircraft The Boeing Company DC-9-15F Airworthiness Directives; McDonnell Douglas Model DC-9, DC-9-80, and C-9 (Military) Series Airplanes, and Model MD-88 Airplanes
aircraft The Boeing Company DC-9-21 Airworthiness Directives; McDonnell Douglas Model DC-9, DC-9-80, and C-9 (Military) Series Airplanes, and Model MD-88 Airplanes
aircraft The Boeing Company DC-9-31 Airworthiness Directives; McDonnell Douglas Model DC-9, DC-9-80, and C-9 (Military) Series Airplanes, and Model MD-88 Airplanes
aircraft The Boeing Company DC-9-32 Airworthiness Directives; McDonnell Douglas Model DC-9, DC-9-80, and C-9 (Military) Series Airplanes, and Model MD-88 Airplanes
aircraft The Boeing Company DC-9-32 (VC-9C) Airworthiness Directives; McDonnell Douglas Model DC-9, DC-9-80, and C-9 (Military) Series Airplanes, and Model MD-88 Airplanes

Unsafe Condition

Failure of the emergency power switch due to reaching its maximum life limit could result in a short in the electrical circuit, leading to a fire in the overhead switch panel and smoke in the cockpit.

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

Required Actions

Repetitively replace the emergency power switch in the overhead switch panel with a new switch at regular intervals as specified in McDonnell Douglas DC-9 Service Bulletin 24-150, Revision 1.

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

Compliance Time

Required as indicated, unless accomplished previously.

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

Affected Aircraft

McDonnell Douglas Model DC-9-10, -20, -30, -40, -50 series; DC-9-81 (MD-81), DC-9-82 (MD-82), DC-9-83 (MD-83), DC-9-87 (MD-87) series; Model MD-88 airplanes; and C-9 (military) series airplanes, as listed in Service Bulletin 24-150.

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

This site is not affiliated with or endorsed by the FAA. Always verify with official sources.