What was found
AT FL370, MACH .76 THE ACFT EXPERIENCED AN UNCOMMANDED YAW, (TWO SEPARATE SHARP INPUTS). YAW DAMPER SWITCH TURNED OFF. MTC IN PROGRESS REPLACING RUDDER PCU, YAW DAMP COUPLER AND WIRING CHECKOUT.
- Difficulty date
- October 26, 1999
- Submitted
- March 26, 2000
- Operation
- Air carrier
- Aircraft
- N304WA
- Make and model
- Boeing 737347
- Aircraft serial
- 23345
- System (JASC)
- 2720 · Rudder Control System
- Part
- Pcu
- Part number
- 65C370537
- Condition
- Failed
- Location
- Rudder
- Stage of operation
- CR
- Nature of condition
- F, J
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.