What was found
DURING TAXI TO RAMP, RIGHT BRAKE RELEASED FOR 2 SECONDS. CONTINUED TO SLOW & MADE A SLIGHT RIGHT TURN, APPLYING A LITTLE MORE RIGHT BRAKE THAN LEFT. AGAIN RT BRAKE RELEASED FOR 2 SECONDS. TAXIING STRAIGHT (6 MPH) BOTH BRAKES RELEASED. ROLLED FOWARD ABOUT 10 FT & BRAKES CAME BACK. EVERY 10 FT, BRAKES WOULD ALTERNATE BOTH BRAKES ON & OFF. SECOND OFFICER TRIED BRAKES AND UPON INITIAL APPLICATION, BRAKES RELEASED & SHARPLY CAME BACK. WHEN BRAKES RELEASE THERE IS VERY LITTLE TO NO FEEL IN PEDALS. WHILE BRAKES ARE RELEASED, APPLIED MORE PRESSURE AND NOTHING HAPPENED. TROUBLESHOT IAW MM 32-40-03, PG 6. ANTI-SKID CONTROL BOX HAD FAILED. REPLACED ANTI-SKID CONTROL BOX IAW MM 32-40-00, OPS CHECKED GOOD.