What was found
AFTER TAKEOFF, GEAR UNSAFE LIGHT REMAINED ON AFTER RETRACTION. FLIGHT CREW CYCLED GEAR, LIGHT EXTINGUSHED, GEAR UPLATCH CHECK WAS NORMAL. THE FLIGHT CONTINUED TO TOL WITH AN UNEVENTFUL LANDING. MAINTENANCE FOUND AND REPAIRED A BROKEN WIRE AT THE LEFT MAIN LANDING GEAR UPLATCH SWITCH AND OPERATIONALLY CHECKED THE SYSTEM IN ACCORDANCE WITH THE DOUGLAS MAINTENANCE MANUAL 32-60-0.