As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: ON TAKE OFF ROLL AT 50 KNOTS, ELECTRONIC CENTRALIZED AIRCRAFT MONITOR HOT BRAKE CAME ON. REJECTED TAKE OFF. NUMBER 1 BRAKE WAS SHOWING 320 DEGREES CELSIUS, ALL OTHER BRAKES WERE BELOW 120 DEGREES CELSIUS. PEAK TEMPERATURE WAS 420 DEGREES CELSIUS. PERFORMED INSPECTION OF NUMBER 1 BRAKE UNIT. REMOVED AND REPLACED NUMBER 1 BRAKE UNIT ASSEMBLY, PER AMM 32-42-27.