What was found
FLT NR 572 - ATL-MCI - RECEIVED AN UNSAFE NOSE GEAR INDICATION AFTER HANDLE WAS LOWERED FOR LANDING. WHEN AIRSPEED REDUCED BELOW 160 KTS FOR APPROACH, NOSE GEAR SAFE INDICATION WAS OBTAINED. FLIGHT OFFICER VISUALLY CONFIRMED DOWN. CLEANED CONNECTOR ON DOWNLOCK SWITCH, JACKED AIRCRAFT, PINNED GEAR SWING NOSE GEAR SEVERAL TIMES, COULD NOT DUPLICATE. OK TO CONTINUE SERVICE, REMOVED GEAR PINS. (M)