What was found
UPON LANDING, BRAKES WERE NORMAL UNTIL TAXI INTO THE RAMP WHEN BRAKES FAILED IN ALL MODES, PRIMARY, SECONDARY AND EMERGENCY. SHUTDOWN ENGINES AND ROLLED TO A STOP. ACFT WAS CHOCKED. MX WAS SENT AND DISCOVERED THAT THE BRAKE DISTRIBUTOR TELEFORCE CONTROL CABLE WAS BROKEN LEAVING THE BRAKE DISTRIBUTOR IN AN INTERMEDIATE POSITION THUS CAUSING COMPLETE FAILURE OF BRAKE SYS. THE TELEFORCE CABLE WAS REPLACED IAW THE MM 32-40-20. THE BRAKE EXCITATION SYS WAS ALSO SERVICED IAW MM 32-00. OPS CHECK OF THE BRAKE SYS WAS GOOD AND THE ACFT WAS RETURNED TO SERVICE.