As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NUMBER 4 BRAKE WAS DRAGGING WITH BRAKE TEMPERATURE RISING TO 13C - ELECTED TO DEPLANE ION RAMP AND BUS PASSENGER TO TERMINAL, POST INSPECTION FOUND NUMBER 4 BRAKE DISCONNECT BACKING OFF. REMOVED AND REPLACED NUMBER 4 BRAKE AND TIRE ASSEMBLY IAW CRJ AMM. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.