What was found
(CAN) C90A KINGAIR EN ROUTE FROM WINNIPEG TO EDMONTON. ON ARRIVAL EDMONTON, GEAR SELECTED DOWN, CREW OBSERVED 2 GREEN LIGHTS AND A RED LIGHT IN HANDLE. CREW SELECTED GEAR UP AND PROCEEDED TO CALGARY DUE TO WEATHER CONDITIONS. GEAR SELECTED DOWN IN CALGARY. FIELD AVIATION IN CALGARY REPLACED LEFT HAND GEAR DOWNLOCK SWITCH, P/N 90-361037-3.