As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: ECAM AND MASTER CAUTION WARNING AFTER SETTING AND CONFIRMING FLEX POWER SET. REJECTED TAKEOFF BELOW 50 KNOTS. ACCOMPLISHED LAST LEG REPORT / PREVIOUS LEG, NO FAULTS NOTED. ACCOMPLISHED GROUND SCAN / CLASS 3 SCAN OF ENGINE 1 & 2, FADEC 1 & 2, NO FAULTS NOTED.