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LANDING GEAR DOOR OPEN LIGHT REMAINED ON AFTER GEAR WAS RETRACTED. RECYCLED GEAR AND NORMAL INDICATIONS WERE ACHIEVED. FLIGHT CONTINUED TO DESTINATION (MDT) AND AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE INSPECTED MAIN GEAR DOOR SWITCHES AND CLEANED CANNON PLUGS. DISCREPANCY COULD NOT BE DUPLICATED. AIRCRAFT RETURNED TO SERVICE.