As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: APPROXIMATELY 80 KNOTS ON TAKEOFF ECAM BRAKES HOT MESSAGE REJECTED TAKEOFF TO FULL STOP LEFT MAIN 1/2 425-550C RT MAIN3/4 NORMAL RANGE TO 300 MAX. SUPPLEMENTAL REPORT: REPLACED (BTMU) BRAKE TEMP MONITORING UNIT AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK PER AMM 32-47-18. (CLOSED)