What was found
GEAR UNSAFE LIGHT REMAINED ON AFTER GEAR RETRACTION. FOLLOWED QRH, RECYCLED GEAR. NO CHANGE. PUT GEAR DOWN, 3 GREEN AND LANDED AT TVF INSPECTED AIRCRAFT AND FOUND SAFE FOR ONE FERRY TIME FERRY FLIGHT FROM TVF TO MSP FOR TROUBLE SHOOTING AND REPAIR. FERRY AIRCRAFT FROM TVF TO MSP FOR REPAIR OF GEAR UNSAFE LIGHT REMAINED ON AFTER GEAR RETRACTION FOLLOWED QRH RECYCLED GEAR, NO CHANGE, PUT GEAR DOWN 2 GREEN, LANDED AT TVF W/GEAR DOWN. COMPLETED SEVERAL GEAR SWINGS CND PROBLEM, CLEARED AND VISUALLY INSPECTED UP-LOCK SWITCHES, NO DEFECTS NOTED.