# SDR SIMA20141211007

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 11, 2014
- Submitted: January 12, 2015
- 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: 28,102 hours, 24,290 cycles
- System (JASC): [3240 · Landing Gear Brake System](https://openairdocs.org/jasc/3240)
- Part: Pressure Switch
- Condition: Failed
- Location: Brake System
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SIMA20141211007

## Discrepancy

MAIN BRAKE HYD SUPPLY PRESS SWITCH FAILS MAIN BRAKE FUNCTIONAL TEST & REMAINS RED WHERE IT SHOULD BE GREEN.  R & R RT MAIN BRAKE HYD SUPPLY PRESS SWITCH IAW AMM 32-41-04, EASI TORQUE WRENCH 7538.

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