As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING FLIGHT NR 3027, MAIN DOOR HANDLE LIGHT ON INDEX MARK DO NOT MATCH. AIR RETURN TO MSP. MAINTENANCE FOUND DOOR TO BE CLOSED AND HANDLE AFT END JUST SLIGHTLY FROM FULLY DOWN. DOOR INDEXES ARE VISABLE INSPECTED DOOR SWITCH. NO FAULTS FOUND. CLEANED AND LUBED DOOR FRAME CONTACT PLATES TO ALLOW SMOOTHER DOOR OPERATION DO AND INDICATION OPS CHECK GOOD.