As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN)ON CLIMB AT 8,000 FEET DOOR WARNING OCCURRED FOR LOWER ACCESS DOORS. AS THIS WAS FIRST FLIGHT AFTER A "C" CHECK, THE CREW ELECTED TO RETURN TO BASE. MAINTENANCE CHECK REVEALED DOOR HANDLE FOR LOWER AC CESS DOOR WAS FOUND RELEASED. AIRBUS SB A310-52-2040 CORRECTS THIS PROBLEM OF INADVERTENT RELEASE.