What was found
DURING TAXIING IN, USING LEFT BRAKE PRESSURE TO TURN LEFT, PEDAL PRESSURE WAS FELT, BUT NO BRAKE ACTION OCCURRED. WITHOUT WARNING, FULL BRAKE ACTION OCCURRED & ACFT LEFT BRAKE WAS FULLY EFFECTIVE WITH SEVERE JERKING ACTION. LEFT BRAKE PEDAL PRESS WAS CONSTANTLY HELD THROUGHOUT THE EVENT. BRAKES WERE NOT PUMPED. REMOVED AND REPLACED THE LEFT ANTI-SKID TRANSDUCER IAW MM 32-42-07, OPS CHECKED GOOD, NO DEFECTS NOTED.