What was found
CREW REPORTS DURING DESCENT INTERMITTANT YAW FLUTTER LEFT AND RIGHT. WITH RIGHT YAW DAMPER TURNED OFF WIGGLE GOES AWAY. REPLACED RIGHT YAW DAMPER MODULE PER AMM, TEST OKAY.
- Difficulty date
- November 27, 2012
- Submitted
- December 7, 2012
- Operation
- Air carrier
- Aircraft
- N661UA
- Make and model
- Boeing 767322
- Aircraft serial
- 27158
- Aircraft time
- 83,974 hours, 13,422 cycles
- Engine
- Pwa PW4060
- System (JASC)
- 2210 · Autopilot System
- Part
- Module
- Part number
- 285T0013126
- Part serial
- 2337
- Condition
- Faulty
- Location
- Yaw Damper
- Stage of operation
- DE
- How discovered
- O
- Nature of condition
- E, F
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.