What was found
UNCORRECTABLE T/O CONFIGURATION MASTER CAUTION ON TAKEOFF ROLL. ALL PARAMETERS WERE MET. BRAKES, FLAPS, AIRBRAKES, TRIM, AND AUTOPILOT WERE IN CORRECT POSITION. NO MESSAGES ON EIED EITHER. CAN'T CORRECT. AUDIO WARNING, "NO TAKEOFF", ALSO CAME ON. REMOVED PCB "20WW" SN 246 AND INSTALLED NEW PCB S/N 121 IN SAME LOCATION AS REQUIRED. OPS CHECK GOOD ON T/O CONFIGURATION CIRCUITS AT THIS TIME. WORK IAW FALCON 2000 M/M CH 31-100 AND 31-300.