What was found
DURING THE TAKEOFF ROLL AFTER REACHING TAKEOFF THRUST, AND AROUND 80 KIAS RECIEVED A RT ENG COMPUTER FAULT CASS MESSAGE. ABORTED TAKEOFF. RAN ABNORMAL CHECKLIST FOR FAULT AND WAS ABLE TO RESET THE RT ENGINE COMPUTER. TAXIED BACK TO TAKEOFF AGAIN. ON THE SECOND ATTEMPT, RECIEVED THE SAME CASS MESSAGE AT THE SAME POINT IN THE TAKEOFF ROLL, AND ABORTED TAKEOFF AGAIN. THIS TIME THE ENGINE COMPUTER WOULD NOT RESET, TAXIED BACK TO THE FBO AND CALLED MX. THE PROBLEM WAS TROUBLSHOT AND IT WAS DETERMINED TO BE A BAD ENGINE COMPUTER.