# SDR UALA2009031000284

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 23, 2009
- Submitted: May 29, 2009
- Operation: Air carrier
- Aircraft: N598UA
- Make and model: Boeing 757222
- Aircraft serial: 28751
- Aircraft time: 39,872 hours, 11,031 cycles
- Engine: Pwa PW2037
- System (JASC): [2210 · Autopilot System](https://openairdocs.org/jasc/2210)
- Part: Servo
- Part number: 15405009
- Condition: Unreliable
- Location: Rt Yaw Damper
- Stage of operation: NR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2009031000284

## Discrepancy

2 YAW DAMPER DISPLAYED ON EICAS & YAW DAMP INOP LIGHT ON (1=L, 2=R).  CREW COMMENTS:  R YAW KICKED OFF.  REPLACED YAW DAMPER SERVO RT.  OPS CHECK GOOD.

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