As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) THE CREW REJECTED TAKE-OFF AT A SPEED GREATER THAN 100 KNOTS. THE DECISION TO REJECT WAS A RESULT OF A NR 2 ENGINE ROLL BACK AFTER A N2 OVERSPEED. ACRFT RETURNED TO GATE. A/C OFFLINE FOR INVESTIGATION, DFDR REMOVED FOR READOUT. NOTE: MORE INFO WILL FOLLOW AS BECOME AVAIL.