As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
BGR - FLT 4411 - AFTER TAKEOFF WHEN GEAR WAS SELECTED UP, THE GEAR RETRACTED, BUT FAILED TO LOCK UP. GEAR WAS SELECTED DOWN AND RECEIVED THREE GREEN DOWN AND LOCKED LIGHTS. AIRCRAFT RETURNED TO BGR AND LANDED WITHOUT INCIDENT. MAINTENANCE FOUND A LARGE AMOUNT OF ICE IN THE WHEEL WELLS. ICE WAS REMOVED AND SYSTEM CHECKED GOOD. AIRCRAFT WAS RETURNED TO SERVICE. (M)