# SDR 2002UALA01323

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 16, 2002
- Submitted: August 28, 2002
- Operation: Air carrier
- Aircraft: [N307UA](https://openairdocs.org/aircraft/N307UA), registered now
- Make and model: Boeing 737322
- Aircraft serial: 23668
- Aircraft time: 46,916 hours, 27,008 cycles
- Engine: Ge CFM56*
- System (JASC): [2720 · Rudder Control System](https://openairdocs.org/jasc/2720)
- Part: Pcu
- Part number: 654486112
- Part serial: 1761A
- Condition: Failed
- Location: Rudder
- Stage of operation: AP
- 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/2002UALA01323

## Discrepancy

WHILE ON FINAL APPROACH, AIRCRAFT EXPERIENCED AN UNCOMMANDED RUDDER DEFLECTION.  REPLACED RUDDER PCU AND STANDBY RUDDER PCU DUE TO FAILURE TO RETURN TO NEUTRAL CONSISTENTLY.

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