# SDR SIMA20121204005

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 4, 2012
- Submitted: December 6, 2012
- Operation: Air carrier
- Aircraft: [N662EH](https://openairdocs.org/aircraft/N662EH), registered now
- Make and model: Emb EMB-145LR
- Registry model: [EMB EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr) (OpenAirDocs)
- Aircraft serial: 145777
- Aircraft time: 23,038 hours, 19,909 cycles
- System (JASC): [2720 · Rudder Control System](https://openairdocs.org/jasc/2720)
- Part: Pressure Switch
- Part number: 15H0048PH
- Condition: Defective
- Location: Rudder
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SIMA20121204005

## Discrepancy

ON FLIGHT 3336 THE CREW REPORTED THAT WHILE CLIMBING THROUGH FL300 AUTOPILOT FAILED (WARNING) FOLLOWED BY RUDDER SYS 1-2 INOP (CAUTION) FOLLOWED AOM PROCEDURE.  THE AIRCRAFT WAS REMOVED FROM SERVICE.  REMOVED AND REPLACED THE RUDDER SYS 2 PRESSURE SWITCH IAW EMB MM 27-23-04.  THE OPERATIONAL CHECK AND LEAK CHECK WERE OK.  AUTO PILOT FUNCTIONAL TEST OK IAW EMB MM 22-11-00.  THE AIRCRAFT WAS RETURNED TO SERVICE.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.