As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING APPROACH INTO RIC, LANDING GEAR DOOR OPEN LIGHT REMAINED ON AFTER GEAR EXTENSION. RECYCLED GEAR AND LIGHT STAYED ON. PERFORMED EMERGENCY GEAR EXTENSION PROCEDURES AND AIRCRAFT LANDED WITHOUT INCIDENT. CLEANED MAIN GEAR DOOR SWITCHES. ALSO, CHECKED WIRING AND CANNON PLUGS. CYCLED DOORS SEVERAL TIMES AND ALL INDICATIONS CHECKED GOOD. AIRCRAFT RETURNED TO SERVICE.