As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE LANDING GEAR INTRANSIT LIGHT STAYED ON AFTER GEAR RETRACTION. THE AIRCRAFT RETURNED TO FIELD WITHOUT INCIDENT. UPON INVESTIGATION MAINTENANCE FOUND A LARGE ICE BUILD-UP ON THE LANDING GEAR. THE ICE WAS REMOVED AND A GEAR SWING WAS PERFORMED.