What was found
ON APPROACH, UPON LOWERING LANDING GEAR, NOSE GEAR INDICATED UNSAFE (RED GEAR LIGHT ON, GREEN LIGHT OUT). RAN EMERGENCY PROCEDURES, CYCLED GEAR AND GOT 3 DOWN INDICATIONS. CLEANED SNOW AND ICE FROM LOCK AND POSITION SWITCHES CLEANED CONNECTOR. NOSE GEAR STILL SHOWS GREEN DOWN AND LOCKED INDICATION. OK FOR SERVICE.