As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) A/C WAS CLIMBING WHEN THE CREW STOPPED THE CLIMB AT FL080 DUE TO A CARGO DOOR INDICATION AND DECIDED TO DIVERT FOR A SAFE LANDING ABOUT 35 MINUTES AFTER DEPARTURE. ENGINEERS FOUND THE AFT BAGGAGE DOOR HANDLE POPPED OPEN. DOOR SECURED AND DOOR WARNING SYSTEM FUNCTIONED CORRECTLY. PRESSURE RUN COMPLETED AT PILOTS REQUEST.