What was found
AIRCRAFT WAS NOT GROUNDED: DURING FIRST OFFICER'S LANDING, AUTO-BRAKE DID NOT RELEASE AS AIRCRAFT WAS DECELERATING. EQUAL PRESSURE WAS APPLIED TO BOTH BRAKE PEDALS. MULTIPLE ATTEMPTS WITH INCREASED BRAKED PEDAL PRESSURE APPLICATIONS WERE DONE BY FIRST OFFICER. WHEN CONTROLS WERE TRANSFERRED, CAPTAIN APPLIED HEAVY PRESSURE TO BRAKE PEDALS TO NOAVAIL. AS AIRCRAFT DECELERATED THROUGH APPROXIMATELY 25 KTS BRAKES FINALLY RELEASED TO MANUAL CONTROL AND THE AUTO-BRAKE DISARM LIGHT CAME ON. ACCOMPLISHED FIM TASK AUTO BRAKE DISARM LANDING FAULT 32-42-00-810-803. BITE TEST PER AMM 32-42-00-810-801. BITE TEST FAULTED LEFT ADIRU. REMOVE AND REPLACED LEFT AIR DATA REFERENCE UNIT (ADIRU). PER AMM 34-21-01. OPERTIONAL TEST NORMAL, NO FAULTS NOTED.