# SDR SWIA200413944

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 13, 2004
- Submitted: October 19, 2004
- Operation: Air carrier
- Aircraft: N189SW
- Make and model: Emb EMB-120ER
- Registry model: [EMB EMB-120ER](https://openairdocs.org/model/embraer-emb-120er) (OpenAirDocs)
- Aircraft serial: 120048
- Aircraft time: 41,276 hours, 50,499 cycles
- System (JASC): [2720 · Rudder Control System](https://openairdocs.org/jasc/2720)
- Part: Control Unit
- Part number: 3211001003
- Part serial: 0204A
- Condition: Malfunctioned
- Location: Hyd Sys
- Part time: 1,973 hours, 2,439 cycles
- 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/SWIA200413944

## Discrepancy

ABOVE 230KIAS FULL NOSE RIGHT TRIM ON TRIM WHEEL (RUDDER) DOES NOT CENTER THE BALL.  REPLACED RUDDER PCU, OPERATIONAL CHECK GOOD IAW 27-22-00.

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