As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) AFTER TAKEOFF WHILE CLIMBING THROUGH 2000 FT THE FUSELAGE DOOR WARNING LIGHT ILLUMINATED. QRH PROCEDURE COMPLETED AND UNEVENTFUL LANDING COMPLETED. INVESTIGATION DISCOVERED THE DOOR HANDLE SLIGHTLY OUT. AIRCRAFT RETURNED TO SERVICE.