As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AT APPROXIMATELY 80 KTS ON TAKEOFF ROLL, NR 2 GENERATOR FAILED WITH ASSOCIATED ECAM WARNINGS FOR EQUIPMENT ON NR 2 BUSS. REJECTED TAKEOFF AND RETURNED TO BLOCKS. R & R NR 2 GCU (2XU) WITH APU GCU IAW AMM 24-22-12-04-0. OPS CHECKED NR 2 GENERATOR AT IDLE ON THE GROUND OK.