As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LANDING GEAR DOOR OPEN LIGHT REMAINED ON AFTER GEAR RETRACTION. FLIGHT CONTINUED TO DESTINATION. EMERGENCY GEAR EXTENSION PROCEDURES WERE UTILIZED AND AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED LEFT MAIN GEAR DOOR SWITCH, OPERATIONAL CHECK NORMAL.