As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) DURING TAKE-OFF, THE CREW OBSERVED NR2 ELEVATOR FAULT, LEVEL 3 ALERT ON THE MFDS. THE CREW INITIATED A REJECTED TAKE-OFF SUCCESSFULLY AND RETURNED TO THE GATE. MAINTENANCE CONFIRMED THE ELEVATOR BOOSTER CONTROL UNIT WAS SUSPECT. THE UNIT WAS REPLACED AND CHECKED SERVICEABLE IAW MM 27-32-01. THE AIRCRAFT WAS RETURNED TO SERVICE. NO FURTHER INCIDENT DURING SUBSEQUENT FLIGHT.