As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER TAKEOFF, CREW RETRACTED GEAR AND RECEIVED A RIGHT GEAR DOOR WARNING INDICATION. CREW PERFORMED COM PROCEDURE AND RECYCLED GEAR WITH NO HELP, WARNING LIGHT STILL ILLUMINATED. CREW FOLLOWED COM PROCEDURE AND RETURNED TO MSP AND MADE AN UNEVENTFUL LANDING. MAINTENANCE PLACED GEAR DOOR ON MEL AND FLIGHT CONTINUED TO IND. MAINTENANCE REPLACED THE DOOR SWITCH. OPERATIONAL CHECK OK.