# SDR 200712271

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 24, 2007
- Submitted: December 27, 2007
- Operation: Air carrier
- Aircraft: N651RW
- Make and model: Emb ERJ 170-100 SE
- Registry model: [EMB ERJ 170-100 SE](https://openairdocs.org/model/embraer-erj-170-100-se) (OpenAirDocs)
- Aircraft serial: 17000072
- Aircraft time: 6,799 hours, 4,289 cycles
- System (JASC): [3240 · Landing Gear Brake System](https://openairdocs.org/jasc/3240)
- Part: Pressure Switch
- Part number: 52615500
- Part serial: 0210
- Condition: Defective
- Location: Brake System
- Stage of operation: DE
- 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/200712271

## Discrepancy

FLIGHT 7643 ORD TO CMH DURING DESCENT EMER/PARKING BRAKE LIGHT ILLUMINATED AND REMAINED ON.  THE CREW DECLARED AN EMERGENCY AND LANDED WITHOUT INCIDENT.  MAINTENANCE REPLACED THE NR 2 BRAKE PRESSURE SWITCH.

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