# SDR 95UAL900099

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 21, 1995
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N937UA](https://openairdocs.org/aircraft/N937UA), registered now
- Make and model: Boeing 737522
- Aircraft serial: 26668
- Engine: Ge CFM56*
- System (JASC): [2720 · Rudder Control System](https://openairdocs.org/jasc/2720)
- Part: Pcu
- Condition: Malfunctioned
- Location: Rudder
- Stage of operation: TO
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/95UAL900099

## Discrepancy

ON ROTATION FROM ONT AT 128 KTS, SHARP RAPID LEFT YAW, NO RUDDER INPUT FELT ON RUDDERS, LASTED FOR 2 SECONDS, FELT LIKE ENGINE LOSS.  REPLACED RUDDER PCU, ACCOMPLISHED MAX POWER RUN ON BOTH ENGINES, NO FAULTS FOUND.  NO FAULT FOUND WITH PCU, UNABLE TO DUPLICATE.

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