As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING TAKEOFF, THE CREW RECEIVED A ENGINE ELECTRONIC CONTROL UNIT CAS MESSAGE. THE AIRCRAFT CLEARED THE RUNWAY AND RETURNED TO THE GATE. MAINTENANCE INSPECTED AND CHECKED THE ITEM BUT COULD NOT DUPLICATE THE PROBLEM. THE AIRCRAFT WAS REPOSITIONED AS FLIGHT 9469 AND DEPARTED WITH NO FURTHER INCIDENT.