As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ROA - IAD - FLT 6318 - DURING DESCENT, THE AIRCRAFTS RIGHT MAIN GEAR INTRANSIT LIGHT ILLUMINATED ON DESCENT WITHOUT GEAR SELECTION. AIRCRAFT TAXIED TO GATE WITH NO FURTHER INCIDENTS. MAINTENANCE REMOVED AND REPLACED MICROSWITCH. OPS CHECK OK. AIRCRAFT WAS RELEASED AND APPROVED FOR RETURN TO SERVICE. (M)