# SDR SWAA990860

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 12, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N645SW
- Make and model: Boeing 737-3H4
- Registry model: [Boeing 737-3H4](https://openairdocs.org/model/boeing-737-3h4) (OpenAirDocs)
- Aircraft serial: 28330
- System (JASC): [2720 · Rudder Control System](https://openairdocs.org/jasc/2720)
- Part: Pcu
- Part number: 450801
- Condition: Malfunctioned
- Location: Rudder
- Stage of operation: CL
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA990860

## Discrepancy

DURING CLIMB, 20000 FEET, 295 KTS, B AUTOPILOT IN USE.  AIRCRAFT WAS IN SMOOTH AIR WHEN A SHORT KICK WAS EXPERIENCE.  RUDDER KICK WINGS REMAINED LEVEL AT ALL TIMES.  NO RUDDER INPUT BY PILOT WAS NOTED.  REMOVED AND REPLACED RUDDER PCU ENGAGE SOLENOID PER MM.

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