What was found
THREE UNCOMMANDED RUDDER KICKS TO THE LEFT. APPEARS TO BE BOTH UPPER AND LOWER RUDDERS. HAPPENED ONLY AT 30,000 FEET. *S/D* REPLACED YAW DAMPER COUPLER AND SYSTEM CHECKED OK.
- Difficulty date
- August 5, 1997
- Submitted
- March 26, 2000
- Operation
- Air carrier
- Aircraft
- N7444U
- Make and model
- Boeing 727222
- Aircraft serial
- 21898
- Engine
- Pwa JT8D15
- System (JASC)
- 2210 · Autopilot System
- Part
- Yaw Damper
- Condition
- Failed
- Location
- E/E Compt
- Component
- 2588880902
- Stage of operation
- CR
- Nature of condition
- F
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.