What was found
TOTAL LOSS OF BRAKE PRESSURE DURING TAXI, USED EMERGENCY BRAKE LEVER TO STOP ACFT. FLUID LEAKING FROM NOSE GEAR. TROUBLESHOT, BLED AND SERVICED BRAKE SYS. REPLACED PRESSURE SWITCHES, MOTOR, PUMP AND ANTI-SKID CONTROL VALVE, RELAY, COUPLING AND PACKINGS IAW MM 32-44-00. OPS AND LEAK CHECKED GOOD.