# SDR R61A2022120500767

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 30, 2022
- Submitted: December 5, 2022
- Operation: Air carrier
- Aircraft: [N749YX](https://openairdocs.org/aircraft/N749YX), registered now
- Make and model: Emb ERJ 170-200 LR
- Registry model: [EMB ERJ 170-200 LR](https://openairdocs.org/model/embraer-s-a-erj-170-200-lr) (OpenAirDocs)
- Aircraft serial: 17000685
- Aircraft time: 11,859 hours, 7,974 cycles
- System (JASC): [3240 · Landing Gear Brake System](https://openairdocs.org/jasc/3240)
- Part: Pressure Switch
- Condition: Failed
- Location: Parking Brake
- 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/R61A2022120500767

## Discrepancy

DURING FLIGHT, THE EICAS MESSAGE CAME ON/OFF 25+ TIMES OF PRKG BRK NOT RELEASED.  DECLARED EMERGENCY, LANDED WITHOUT INCIDENT. R&R PARKING BRAKE PRESSURE SWITCH #2.

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