What was found
(CAN) ON APPROACH, GEAR DOWN SELECTED WITH 3 GREENS. WHEN FLAPS SELECTED BEYOND APPROACH SETTING OR WHEN POWER LEVERS WERE REDUCED BELOW 400 POUNDS TORQUE, GEAR WARNING HORN WOULD SOUND AND GEAR IN-TRANSIT LIGHT CAME ON. NOSE GEAR DOWNLOCK MICROSWITCH NOT FULLY DEPRESSED. WHEN HAND PRESSURE APPLIED TO STRIKER PLATE BOTH HORN AND IN-TRANSIT LIGHT WOULD GO OUT. SWITCH ADJUSTED.