As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
BCL 2 FAULT DISPLAYED ON UPPER ECAM SCREEN. - ELEC CREW COMMENTS: ON TAKEOFF ROLL. REPLACED NR 2 BATTERY AND BCL2 AND OPS CK, ALL TESTS PASS. REPLACED CONTACTOR 6PB2 AND REPLACED FUSE HOLDER 4PB2. UNABLE TO INDUCE FAULT AFTER REPLACEMENT OF CONTACTOR AND FUSE HOLDER.