As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED A CARGO DOOR CAS MESSAGE ON TAKEOFF ROLL. CREW ABORTED THE TAKEOFF AND RETURNED TO THE GATE WITHOUT INCIDENT. MAINTENANCE RESECURED THE CARGO DOOR HANDLE IN ACCORDANCE WITH THE AIRCRAFT MAINTENANCE MANUAL 52-70-02-710-801. AIRCRAFT WAS RELEASED FOR SERVICE.