# SDR SIMA20161009001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 9, 2016
- Submitted: October 11, 2016
- Operation: Air carrier
- Aircraft: [N939AE](https://openairdocs.org/aircraft/N939AE), registered now
- Make and model: Emb EMB-145LR
- Registry model: [EMB EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr) (OpenAirDocs)
- Aircraft serial: 14500923
- Aircraft time: 28,857 hours, 24,626 cycles
- System (JASC): [2720 · Rudder Control System](https://openairdocs.org/jasc/2720)
- Part: Pressure Switch
- Part number: 15H0048PH
- Condition: Inoperative
- Location: Rudder
- Stage of operation: NR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: B
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SIMA20161009001

## Discrepancy

AT AROUND 23,000 FEET AUTOPILOT FAIL AND RUDDER 1-2 FAIL. COMPLIED WITH AOM 1 PROCEDURES LEAD US TO TURN SYS 1 AND 2 OFF. NORMAL OPS WITH SYS 2 OFF.. EXCESSIVE YAW WITH BOTH SYS OFF. TURNED SYS 1 BACK ON AND PROCEEDED TO DIVERSION AIRPORT UNDER NORMAL CONDITIONS.  REMOVED AND REPLACED NR 2 RUDDER PRESSURE SWITCH IAW AMM 27-23-04. OPS CHECK AND LEAK CHECK GOOD.

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