What was found
FLT 2008, FLL-FLL. STARTED OUT TAKE-OFF ROLL, SPOOLED EPR ON BOTH ENG'S TO 1.05, ALTHOUGHT ENG'S STARTED TO ACCELERATE BOTH ENG;S LAGGED IN THRUST, SLOWER THEN NORMAL WITH THE RIGHT ENGINE ACCELERATING SOMEWHAT FASTER THEN THE LEFT. WE REJECTED T/O, LOW SPEED REJECTED TAKEOFF, WHEN WE MOVED THRUST LEVERS TO FLEX DETENT IT TOOK 3-4 SECS AFTER BEFORE THRUST MATCHED WHAT WAS SET, RIGHT ENG STARTED TO ACCLERATE FASTER THEN LEFT ENG.; PERFORMED TSM 73-00-00-810-880A AFTER REPLACEMENT OF FILTER AND LINES CHECK FOUND NO DEFECTS DURING RUN TO BOTH NR 1 & 2 ENG PARAMETERS WERE MATCHED AND ACCELERATION WAS NORMAL ACFT OK FOR SERVICE.