What was found
ON INITIAL POWER UP FOR TAKEOFF RECEIVED BRAKE DEGRADE EICAS MESSAGE. UPON ABORT OF TAKEOFF MESSAGE WENT AWAY UNTIL RESET FOR TAKEOFF. ONCE POWER WAS ADDED ABOVE IDLE POSITION, MESSAGE CAME BACK. PERFORMED INSPECTION OF ALL BRAKES, NO DEFECTS NOTED. NO BRAKE DEGRADE MSG ON CMC. PERFORMED HIGH POWER ENGINE RUN AND TAXI, IAW AMM 71-00-01. NO FAULTS NOTED, NO BRAKE DEGRADED MESSAGES ON EICAS. COULD NOT DUPLICATE FAULTS, OPS CHECK GOOD. AIRCRAFT RETURNED TO SERVICE. (M)