# SDR SIMA200734104

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 4, 2007
- Submitted: December 7, 2007
- Operation: Air carrier
- Aircraft: [N664MS](https://openairdocs.org/aircraft/N664MS), registered now
- Make and model: Emb EMB-145LR
- Registry model: [EMB EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr) (OpenAirDocs)
- Aircraft serial: 145779
- Aircraft time: 9,718 hours, 9,167 cycles
- System (JASC): [2720 · Rudder Control System](https://openairdocs.org/jasc/2720)
- Part: Pressure Switch
- Part number: 9850575793101
- Part serial: 1977
- Condition: Failed
- Location: Rudder
- 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/SIMA200734104

## Discrepancy

EMERGENCY DECLARED, RUDDER 1/2 INOP IN FLIGHT LANDED SAFELY.  REMOVED AND REPLACED NR 1 RUDDER PRESSURE SWITCH IAW EMB 145 AMM 27-23-04.  OPS CHECK AND LEAK CHECK GOOD.  NO DEFECTS NOTED.  AIRCRAFT RETURN TO SERVICE.

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