As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE CREW REPORTED THAT THE FIRST OFFICER'S LEFT BRAKE WAS NOT OPERATING AND RETURNED TO THE GATE. MAINTENANCE INSPECTED AND BLED THE BRAKE AND THE BRAKE METERING UNIT IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 32-00-00. OPERATIONAL CHECKS WERE PERFORMED AND THE AIRCRAFT WAS RELEASED FOR SERVICE.