What was found
ON TAKE-OFF ROLL, SETTING THROTTLES TO FLEX POWER, HAD MANUAL THROTTLE INDICATED IN FMA NOT FLEX POWER. ABORTED TAKEOFF. MAINTENANCE ACCOMPLISHED AFS TEST IAW AMM 22-96-00. ALL TESTS PASSED. ACCOMPLISHED NR 1 AND 2 FMGC RESET GROUND TEST. AIRCRAFT WAS GROUNDED.