# SDR 2007UALA01399

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 3, 2007
- Submitted: May 8, 2007
- Operation: Air carrier
- Aircraft: N565UA
- Make and model: Boeing 757222
- Aircraft serial: 26669
- Aircraft time: 48,623 hours, 18,004 cycles
- Engine: Pwa PW2037
- System (JASC): [2721 · Rudder Tab Control System](https://openairdocs.org/jasc/2721)
- Part: Actuator
- Condition: Malfunctioned
- Location: Rudder Trim
- Stage of operation: CR
- How discovered: O
- Nature of condition: F
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2007UALA01399

## Discrepancy

RUDDER TRIM FAILED TO TRIM IN LEFT DIRECTION.  [SUP 06-06-07]  DURING DESCENT STARTED TO WORK ERRATICALLY IN ONE DIRECTION.  BY THE TIME IT ARRIVED AT GATE, IT OPERATED NORMALLY.   REPLACED RUDDER TRIM ACTUATOR.  ACCOMPLISHED INSPECTION OF RUDDER TRIM ACTUATOR INSTALLATION.

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