What was found
ON APPROACH TO KEWR, LANDING GEAR WAS LOWERED. INDICATION SHOWED 2 MAIN GEAR GREEN. NO NOSE GEAR INDICATION AND RED NOSE DOOR OPEN LIGHT ILLUMINATED AS WELL AS FLASHING RED GEAR HANDLE. RECYCLED LANDING GEAR AND RECEIVED 3 GREEN INDICATIONS AND NO RED NOSE DOOR OPEN LIGHT. BOOT ON NR 2 NOSE LANDING GEAR DOWNLOCK SENSOR (PROXIMITY SWITCH) FOUND LOOSE. REPLACED SENSOR. ALSO ADJUSTED RIGHT NOSE LANDING GEAR DOOR SENSOR (PROXIMITY SWITCH).