# SDR CALA2023071002212

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 7, 2023
- Submitted: July 10, 2023
- Operation: Air carrier
- Aircraft: [N829UA](https://openairdocs.org/aircraft/N829UA), registered now
- Make and model: Airbus A319-131
- Registry model: [Airbus A319-131](https://openairdocs.org/model/airbus-industrie-a319-131) (OpenAirDocs)
- Aircraft serial: 1211
- Aircraft time: 70,902 hours, 30,821 cycles
- System (JASC): [3240 · Landing Gear Brake System](https://openairdocs.org/jasc/3240)
- Part: Control Unit
- Part number: E21327106
- Part serial: 6832
- Condition: Inoperative
- Location: Brakes
- Part time: 709,400 hours, 704,505 cycles
- Stage of operation: TO
- How discovered: O
- Nature of condition: O
- Precautionary procedure: C
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2023071002212

## Discrepancy

ABORTED T/O BRAKES SYS 1FAULT.ALREADY RESET ANTISKID ON TAXI OUT . 40KTS. LOCKING FOR BSCU REPLACEMENT. ADDED POST FLIGHT REPORT OK TO UNLOCK R&R THE BSCU IAW AMM 32-42-34-400-001-A . OPS AND BITE CHECK GOOD . REQUIRES A LAND VERIFY TEST. ROTABLE PARTS CHANGE WAS INDICATED - TT # 1721663  SN OFF 6832 UNIT, BRAKE STE  OFF 31-3242-9-0001 6832 ON 31-3242-9-0001 5615 PERFORMED OP TEST OF LAND CAT III REF AMM 22-97-00-710-001-A OPS NORMAL AIRCRAFT FULL CAT CAPABLE.

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