As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING APPROACH INTO DSM, LANDING GEAR DOOR OPEN LIGHT REMAINED ON AFTER GEAR WAS EXTENDED. RECYCLED GEAR WITH NO HELP. FLIGHT RETURNED TO MSP AND LANDED WITHOUT INCIDENT. REPLACED THE LEFT MAIN GEAR DOOR ACTUATOR WITH NO HELP. REPLACED THE MAIN LANDING GEAR SELECTOR VALVE. OPERATIONAL CHECK NORMAL ON GEAR SWING. AIRCRAFT RETURNED TO SERVICE.