As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT CREW REPORTED THAT ON TAKE OFF ROLL AN ECAM MESSAGE REFLECTED THAT THE PARKING BRAKE WAS ON AND THE TAKE OFF WAS ABORTED AT LESS THAN 80 KNOTS. THE AIRCRAFT RETURNED TO THE GATE. AIRCRAFT WAS GROUNDED. MAINTENANCE REPLACED PARKING BRAKE SELECTOR CONTROL VALVE 72GG PER AMM 32-45-14-400-001-A AND ACCOMPLISHED A SATISFACTORY LEAK AND OPERATIONAL CHECK.