What was found
YAW DAMPER WILL NOT ENGAGE. THE YAW DAMPER COUPLER WAS REPLACED, AFTER WHICH, THE SYSTEM TESTED NORMAL. UPON BENCH TESTING, IT WAS DISCOVERED THAT THE RATE GYRO WAS OUT OF ADJUSTMENT.
- Difficulty date
- March 10, 1997
- Submitted
- March 26, 2000
- Operation
- Air carrier
- Aircraft
- N387UA
- Make and model
- Boeing 737322
- Aircraft serial
- 24662
- Engine
- Ge CFM56*
- System (JASC)
- 2210 · Autopilot System
- Part
- Rate Gyro
- Part number
- 4030952
- Condition
- Out Of Adjust
- Location
- Yaw Damper
- Component
- Honywell · 4030952
- Stage of operation
- CR
- Nature of condition
- J
- Precautionary procedure
- A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.