What was found
AFTER DEPARTURE, A RIGHT HAND MAIN LANDING GEAR UNLOCK INDICATION ILLUMINATED. THE AIRCRAFT RETURNED TO THE FIELD AND LANDED SAFELY. OUTSTATION MAINTENANCE INSPECTED AND APPROVED THE AIRCRAFT FOR A FERRY FLIGHT TO PIT. THE FERRY FLIGHT TOOK PLACE WITHOUT INCIDENT. PIT MAINTENANCE INSPECTED AND CLEANED SAND AND ICE FROM THE RIGHT HAND MAIN LANDING GEAR UPLOCK MECHANISM. GEAR SWING OPERATIONAL CHECKS WERE COMPLETED, AND THE AIRCRAFT WAS RETURNED TO SERVICE.