# SDR SIMA201000501

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 31, 2009
- Submitted: January 5, 2010
- Operation: Air carrier
- Aircraft: [N620AE](https://openairdocs.org/aircraft/N620AE), registered now
- Make and model: Emb EMB-145LR
- Registry model: [EMB EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr) (OpenAirDocs)
- Aircraft serial: 145102
- Aircraft time: 25,064 hours, 23,737 cycles
- System (JASC): [2720 · Rudder Control System](https://openairdocs.org/jasc/2720)
- Part: Pressure Switch
- Part number: 415735
- Part serial: 0850
- Condition: Faulty
- Location: Rudder
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SIMA201000501

## Discrepancy

ON FLIGHT 3526 DURING CRUISE THE CREW REPORTED THE RUDDER SYSTEM 1-2 INOPERABLE IN FLIGHT.  SYSTEM 1 ACTIVATED WHEN NR 2 SYSTEM WAS SHUTOFF PER CHECKLIST.  THE CREW DECLARED AN EMERGENCY AND LANDED WITHOUT INCIDENT.  THE AIRCRAFT WAS REMOVED FROM SERVICE.  REMOVED AND REPLACED THE NR 2 SYSTEM RUDDER PRESSURE SWITCH IAW AMM 27-23-04.  OPERATIONAL CHECK WAS GOOD AND NO LEAKS NOTED.  THE AIRCRAFT WAS RETURNED TO SERVICE.

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