As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CAPT SIDE ONLY LOST HIS BRAKES DURING TAXI AND THE F/O BRAKES WERE OPERATING NORMAL. THE ACW IS OPERATIONAL. GREEN HYDRAULIC SYSTEM IS OPERATIONAL. PERFORMED CAPT SIDE BRAKES LOW PRESSURE LINES BLEEDING AS PER JIC NR 32-42-00. OPERATIONAL CHECK FOUND SATISFACTORY. BRAKES SYSTEM WORKING NORMAL.