As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE TAXIING, THE LT TOE BRAKE WENT TO THE FLOOR (LOSS OF LT TOE BRAKE) DURING A LT PIVOT TURN (FULL LT RUDDER) TO PARK ON THE RAMP. RT TOE BRAKE WAS NORMAL FROM LT SEAT. TROUBLESHOT TO BAD METERING VALVE. REMOVED BAD METERING VALVE AND INSTALLED A NEW BRAKE METERING VALVE. BLED SYS. TAXIED ACFT FROM BOTH SEATS. NO DEFECTS NOTED. BRAKE SYS OPS CHECK GOOD AT THIS TIME. DONE IAW MM 32-44-00.