As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) FLIGHT CREW REPORTED THAT ON DEPARTURE, THE FUSELAGE DOOR WARNING LIGHT ILLUMINATED. CARGO DOOR WAS INDICATING OPEN. THE FLIGHT CONDUCTED AN AIR RETURN. AFT BAGGAGE DOOR HANDLE INSPECTED, OPS CHECK CARRIED OUT IAW THE AMM 52-31-00, CHECKED SERVICEABLE.