As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTS HAD A PARKING BRAKE ON LIGHT IN FLIGHT. CREW DIVERTED TO PIT, ON DESCENT THE LIGHT WENT OUT AND A PARKING BRAKE FAULT MESSAGE WAS PRESENT UPON LANDING. MAINTENANCE T/S FOLLOWING FIM 32-41-00-810-852-A AND REPLACED EMERGENCY PARKING BRAKE VALVE, PRESSURE SWITCH AND VALVE PER EMB AMM.