# SDR SIMA200802108

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 18, 2008
- Submitted: January 21, 2008
- Operation: Air carrier
- Aircraft: [N928AE](https://openairdocs.org/aircraft/N928AE), registered now
- Make and model: Emb EMB-145LR
- Registry model: [EMB EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr) (OpenAirDocs)
- Aircraft serial: 14500911
- Aircraft time: 7,073 hours, 6,378 cycles
- System (JASC): [2720 · Rudder Control System](https://openairdocs.org/jasc/2720)
- Part: Pressure Switch
- Part number: 15H0048PH
- Part serial: 0308
- Condition: Malfunctioned
- Location: Rudder
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: B, A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SIMA200802108

## Discrepancy

ON FLIGHT 3509 CREW REPORTED YAW DAMPER FAIL AND AUTO PILOT KICKED OFF DURING CLIMB FOLLOWED BY RUDDER SYSTEM 1/2 INOP EICAS MESSAGE.  CREW ELECTED TO RETURN TO DFW FOR MAINTENANCE DECLARED EMERGENCY PRIOR TO LANDING.  AIRCRAFT REMOVED FROM SERVICE.  REMOVED AND REPLACED RUDDER NR 2 PRESSURE SWITCH IAW EMB 145 AMM 27-23-04.  PERFORMED OPERATIONAL CHECK OF THE RUDDER SYSTEM, J2 AMM 27-23-00.  OPERATIONAL CHECK GOOD AT THIS TIME.  AIRCRAFT RETURNED TO SERVICE.

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