What was found
DUE TO PIMU MESSAGE 350-23, EEC CH-A,B XT RN DISCRETE DISAGREE, LEFT THROTTLE AHEAD. THROTTLES NOT ALIGNED WITHIN 1 INCH AT KNOB AT SAME EPR AT ALL POWER SETTINGS. EEC'S ON. EICAS EPR COMMAND SECTOR NORMAL, ENG PARAMETERS NORMAL. L THROTTLE 3-4 KNOB AHEAD OF R AT CRUISE 2 HOURS EPR ALIGNED. THROTTLES ALIGNED WHEN N1 MAN. AFTER NR 2 ENG EEC REPLACEMENT, ACCOMPLISHED HIGH POWER RUN UP TO 1.25 BOTH ENGINES. THROTTLES WERE ALIGNED AND NO SPLIT NOTED.