As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) FLIGHT EXPERIENCED ELECTRICAL PROBLEMS AFTER ARRIVAL. GROUND POWER WOULD NOT STAY CONNECTED. APU WAS RUN TO SUPPLY ELECTRICS AND AIR. AFTER ENGINES STARTED, APU GENERATOR TRIPPED OFF. ENGINE GENERATORS SELECTED ON. THE APU WAS SELECTED OFF. DURING TAKEOFF ROLL NR 2 GENERATOR FAILED. TAKEOFF WAS ABANDONED AT LESS THAN 40 KNOTS. THE NR 2 GENERATOR CONTROL PANEL REPLACED.