What was found
LGA-FLIGHT 3800 CREW REPORTED THAT UPON GEAR DOWN SELECTION RECEIVED THREE RED GEAR LIGHTS. GEAR HANDLE WAS CYCLED ONE TIME AND RECEIVED THREE LIGHTS. ALTERNATE EXTENSION WAS PERFORMED. MAINTENANCE TESTED GEAR HANDLE SOLENOID AND FOUND IT OPERATED NORMALLY. A LOOSE WIRE WAS FOUND ON LANDING GEAR INHIBIT SWITCH. THE LOOSE WIRE WAS RE SECURED. A TEST FLIGHT WAS PERFORMED TO CHECK LANDING GEAR EXTENSION AND RETRACTION SYSTEM. TEST FLIGHT WAS SATISFACTORY. AIRCRAFT RETURNED TO SERVICE.