# SDR AALA202101229004

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 21, 2021
- Submitted: January 22, 2021
- Operation: Air carrier
- Aircraft: [N187US](https://openairdocs.org/aircraft/N187US), registered now
- Make and model: Airbus A321-211
- Registry model: [Airbus A321-211](https://openairdocs.org/model/airbus-a321-211) (OpenAirDocs)
- Aircraft serial: 1704
- Aircraft time: 62,089 hours, 23,420 cycles
- System (JASC): [3240 · Landing Gear Brake System](https://openairdocs.org/jasc/3240)
- Part: Selector Valve
- Part number: C24703003
- Part serial: U116
- Condition: Inoperative
- Location: Mlg
- Part time: 89,298 hours, 35,674 cycles
- Stage of operation: TO
- How discovered: O
- Nature of condition: J
- Precautionary procedure: C
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202101229004

## Discrepancy

AIRCRAFT WAS GROUNDED.  ON TAKEOFF ROLL AT 40 KNOTS, ECAM WARNING MESSAGE "CONFIG PARK BRK" ON ILLUMINATED.  REMOVED AND REPLACED BRAKE CONTROL VALVE, IAW AMM 32-45-51.

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