What was found
FLT NR 181 - ON APPROACH INTO CVG FLIGHT CREW LOWERED LANDING GEAR AND GOT NO GREEN LIGHTS, CYCLED LANDING GEAR, STILL NO GREEN LIGHTS, NOTIFIED ATC. WENT AROUND TO TROUBLESHOOT, CYCLED LANDING GEAR AGAIN USING ALTERNATE GEAR SWITCHES ALL THREE GREEN DOWN LIGHTS ILLUMINATED. AN UNEVENTFUL LANDING MADE. FOUND LOOSE CONNECTIONS AT LANDING GEAR CONTROL LEVER MICRO-SWITCH, SECURED LOOSE CONNECTORS MLG INDICATIONS LIGHTS WORKED NORMAL. AIRCRAFT RETURNED TO SERVICE. (M)