# SDR UALA2011042501974

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 25, 2011
- Submitted: April 27, 2011
- Operation: Air carrier
- Aircraft: [N544UA](https://openairdocs.org/aircraft/N544UA), registered now
- Make and model: Boeing 757222
- Aircraft serial: 25322
- Aircraft time: 73,317 hours, 21,114 cycles
- Engine: Pwa PW2037
- System (JASC): [2730 · Elevator Control System](https://openairdocs.org/jasc/2730)
- Part: Yaw Damper
- Part number: 15405009
- Part serial: 230
- Condition: Leaking
- Location: Elevator
- Stage of operation: IN
- How discovered: V
- Nature of condition: K
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2011042501974

## Discrepancy

FLUID DRIPPING FROM ELEV CTRL ACCESS DOOR AND BOTH SIDES OF TAIL CONE.  FOUND LEFT YAW DAMPER LEAKING AT 5-10 DROPS PER MINUTE, WITHIN LINE MAXIMUM DISPATCH LIMITS, CARRY FORWARD LEAKAGE LIMITS PERMIT CONTINUED AIRCRAFT OPERATION FOR A MAXIMUM OF 75 FLT HOURS, CONFERRED WITH SFOLM.  REPLACED LT YAW DAMPER SERVO, OPS CHECKED GOOD.  NO LEAKS NOTED.

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