What was found
RETURNING FROM BFI ON APPROACH TO SIT THE PILOT SELECTED GEAR DOWN AND ONLY GOT A NOSE GREEN LIGHT AND THE GEAR HANDLE WAS INDICATING IN-TRANSIT (RED LIGHT). CYCLED THE GEAR AND GOT THREE GREEN DOWN AND LOCKED LIGHTS AND THE IN-TRANSIT LIGHT WENT OUT (NORMAL OPS). MAINTENANCE REQUESTED A FERRY PERMIT AND RELOCATED THE AIRCRAFT TO ANC MAINTENANCE BASE WITH THE GEAR REMAINING IN THE DOWN AND LOCKED POSITION. MAINTENANCE FOUND THE LANDING GEAR DOWN INDICATOR ASSY LOOSE. REINSTALLED INDICATOR ASSY CLEANED ALL GEAR SWITCHES, CYCLED GEAR NUMEROUS TIMES WITH GOOD RESULTS. FLIGHT CHECK OK. AIRCRAFT RETURNED TO SERVICE.