As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON TAKEOFF ROLL.... RT BACKUP GEN OFF 20KIAS AT REJECT NO EXISTING FAULTS ARE DISPLAYED ON THE MAT, NO PRESSENT LEG FAULT MESSAGES ARE DISPLAYED. STATUS MSG CLEARED. REQUEST MEL. OK TO DEFER BACKUP ELECTRICAL POWER SYSTEM INOP. COMPLIED WITH THE MEL.