As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED AFTER TAKEOFF FROM CLEVELAND THEY RECEIVED WARNING LIGHT FOR PASSENGER DOOR. A/C RETURNED TO CLEVELAND AND LANDED WITHOUT FURTHER INCIDENT. MX INSPECTED/REPLACED PASSENGER DOOR MICROSWITCH BRACKET WHICH WAS FOUND TO BE BROKEN. PERFORMED OPERATIONAL CHECKS FOR THE PASSENGER DOOR WARNING SYSTEM IAW BEECHCRAFT MM 52-70-00. A/C WAS RELEASED FOR SERVICE.