What was found
AHM DETECTED MMSG 32-45367, WHEEL 7 ELECTRIC BRAKE ACTUATOR 3 MOTOR WIRE OR LOAD CELL SIGNALS FAILED, LAST 3 OUT OF 4 LEGS WITH EBAC FAULT, REPORT CODE 5, MONITOR CODE 6263. IAW FIM DMC-B787-A-32-40-F1-FAA-421A-A TO CONFIRM FAULT. CON'T ISOLATION. CARRIED BY ELB PERFORMED RELEASED AND SET BRAKE SEVERAL TIMES IAW AMM 32-45-01 AND FIM 32-40-F1-FAA-420A, VERIFIED NR 7 EBA DID NOT FOLLOW COMMAND. FAULT CONFIRMED, AFTER PERFORMING ACTUATION TEST, LOUD SQUEEKING NOISE COMING FROM BRAKE ACTUATOR. PRESSURE WOULD INCREASE UP TO 55 THEN BACK DOWN TO 0. SUSPECT BAD NR 3 BRAKE ACTUATOR. WORK DONE IAW FIM DMC-B787-A-32-40-F1-FAA-421A-A. R & R NR 7 WHEEL, NR 3 EBA IAW AMM 32-45-08. PERFORMED LRU REPLACEMENT, TEST PASSED.