# SDR AWXA200300331

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 31, 2003
- Submitted: April 2, 2003
- Operation: Air carrier
- Aircraft: N627AW
- Make and model: Airbus A320-231
- Registry model: [Airbus A320-231](https://openairdocs.org/model/airbus-industrie-a320-231) (OpenAirDocs)
- Aircraft serial: 66
- Aircraft time: 43,796 hours, 19,976 cycles
- System (JASC): [3243 · Master Cylinder/Brake Valve](https://openairdocs.org/jasc/3243)
- Part: Brake
- Condition: Malfunctioned
- Location: Mlg
- 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/AWXA200300331

## Discrepancy

ON TAKEOFF ROLL AT PHX EN ROUTE FOR ONT FLIGHT CREW THOUGHT THEY MAY HAVE EXPERIENCED A POSSIBLE BRAKE LOCKUP. AS A PRECAUTION, DECLARED AN EMERGENCY AT ONT.

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