As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT 4097 WAS TAXIING AND THE FIRST OFFICER'S LEFT HAND BRAKE WAS INEFFECTIVE AND THE CREW RETURNED TO THE GATE. THE AIRCRAFT WAS FERRIED TO PIT WHERE MAINTENANCE INSPECTED AND BLED THE BRAKE METERING UNIT IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 32-00-00. OPERATIONAL CHECKS WERE PERFORMED AND THE AIRCRAFT WAS RELEASED FOR SERVICE.