What was found
DURING TAKE OFF ROLL, BRAKES BEGAN TO GRAB AND RUDDER PEDALS DISPLACED (LEFT RUDDER) AUTOBRAKES HAD BEEN DEFERRED DUE TO AUTOBRAKE FAIL. CYCLED BRAKE PEDALS NUMEROUS TIMES WITH NO DEFECTS NOTED WITH BRAKE APPLICATION. INSPECTED BRAKES WHILE CYCLING PEDALS ALL BRAKES APPLY & RELEASE NORMALLY. CYCLED RUDDER PEDALS NUMEROUS TIMES WITH NO DEFECTS NOTED. INSPECTED RUDDER DURING OPERATION, RUDDER MOVES & RETURNS TO NEUTRAL NORMALLY IAW MM 27-20-00-2 & SMP WRI 32-45/5650 FOR R&R OF AUTO BRAKE CONTROL UNIT. AIRCRAFT SET UP FOR HIGH SPEED TAXI TO CONFIRM POSITIVE FIX . AIRCRAFT OK FOR HIGH SPEED TAXI. SUCCESSFUL HIGH SPEED TAXI CHECK. NO GRABBING BRAKES OR UNCOMMANDED RUDDER DEFLECTION NOTED DURING TAXI CHECK. OK FOR SERVICE.