# SDR USAA2013121600013

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 14, 2013
- Submitted: December 16, 2013
- Operation: Air carrier
- Aircraft: [N558UW](https://openairdocs.org/aircraft/N558UW), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 5282
- Aircraft time: 4,173 hours, 1,763 cycles
- System (JASC): [3240 · Landing Gear Brake System](https://openairdocs.org/jasc/3240)
- Part: Control Unit
- Part number: E21327106
- Part serial: 8259
- Condition: Faulty
- Location: Brake System
- Part time: 4,186 hours, 1,771 cycles
- 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/USAA2013121600013

## Discrepancy

EMERGENCY LANDING DECLARED BY CREW FOR BRAKES SYS 1 FAULT.  FLIGHT LANDED NORMALLY & TAXIED TO GATE.  RESET BSCU WAS ACCOMPLISHED IAW QRH.  PERFORMED BSCU BITE IAW A321 AMM 32-46-00-740-001-A, CHECKED GOOD.

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