AD 96-05-01
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
Failure of the horizontal stabilizer primary trim motor due to incorrectly manufactured motor shafts could result in reduced controllability of the airplane.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect or conduct a records search to determine if the horizontal stabilizer primary trim motor is a suspect unit. Replace or modify the motor if it has a suspect serial number, unless it has been previously modified in accordance with Sundstrand Service Bulletin 9590-27-012.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Effective April 3, 1996.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
McDonnell Douglas Model DC-9-80 series airplanes as listed in MD-80 Alert Service Bulletins A27-342 and A27-342 Revision 1.
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.