# SDR 2004UALA00097

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 2, 2004
- Submitted: February 10, 2004
- Operation: Air carrier
- Aircraft: [N664UA](https://openairdocs.org/aircraft/N664UA), registered now
- Make and model: Boeing 767322
- Aircraft serial: 29236
- Aircraft time: 18,005 hours, 5,701 cycles
- Engine: Pwa PW4052
- System (JASC): [2720 · Rudder Control System](https://openairdocs.org/jasc/2720)
- Part: Module
- Condition: Malfunctioned
- Location: Rudder Hyd Sys
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2004UALA00097

## Discrepancy

RETURNED TO FIELD DUE TO RUDDER RATIO/AILERON TRIM MESSAGE.  REPLACED BOTH STABILIZER TRIM/AILERON LOCKOUT MODULES.

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