# SDR R61A2024031500109

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 14, 2024
- Submitted: March 15, 2024
- Operation: Air carrier
- Aircraft: [N421YX](https://openairdocs.org/aircraft/N421YX), registered now
- Make and model: Emb ERJ 170-100 LR
- Registry model: [EMB ERJ 170-100 LR](https://openairdocs.org/model/embraer-erj-170-100-lr) (OpenAirDocs)
- Aircraft serial: 17000386
- Aircraft time: 24,916 hours, 17,063 cycles
- System (JASC): [3240 · Landing Gear Brake System](https://openairdocs.org/jasc/3240)
- Part: Pressure Switch
- Part number: NOTREPORTED
- Condition: Failed
- Location: Brake System
- Stage of operation: AP
- How discovered: O
- Nature of condition: N
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/R61A2024031500109

## Discrepancy

PARKING BRAKE NOT RELEASED CAUTION MESSAGE ON EICAS IN FLIGHT. DECLARED EMERGENCY, LANDED WITHOUT INCIDENT. R&R EMERGENCY PARKING BRAKE PRESSURE SWITCH.

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