What was found
ORD FLT 5863 THE CREW REPORTED A LOUD BANG NOISE AND VIBRATION FELT AFTER GEAR RETRACTION. THE AIRCRAFT DIVERTED INTO CLE AND LANDED WITHOUT INCIDENT. MAINTENANCE INSPECTED AND PERFORMED A VISUAL INSPECTION OF THE LANDING GEAR AND HARNESSES. NO DEFECTS FOUND. PERFORMED GEAR RETRACTION AND EXTENSION CHECKS. NO DEFECTS FOUND. PERFORMED PROXIMITY SWITCH HEALTH CHECKS. NO DEFECTS FOUND. PERFORMED GVI OF FLIGHT CONTROLS AND ENGINES. NO DEFECTS FOUND. THE AIRCRAFT WAS TEST FLOWN AND TEST FLIGHT WAS SATISFACTORY. THE AIRCRAFT WAS RELEASED FOR SERVICE.