# SDR CALA2013120593492

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 4, 2013
- Submitted: December 6, 2013
- Operation: Air carrier
- Aircraft: [N475UA](https://openairdocs.org/aircraft/N475UA), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 1495
- Aircraft time: 41,006 hours, 17,787 cycles
- Engine: Iae V2527A5
- System (JASC): [3240 · Landing Gear Brake System](https://openairdocs.org/jasc/3240)
- Part: Valve
- Condition: Faulty
- Location: Parking Brake
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2013120593492

## Discrepancy

AFTER LANDING ON TAXI, PARKING BRAKE WOULD NOT RELEASE.  TRIPLE INDICATOR SHOWING 3000 PSI LT & RT REGARDLESS OF PARKING BRAKE SWITCH POSITION.  REPLACED PARKING BRAKE VLV IAW AMM, OPERATION & LEAK CHECKED GOOD.

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