What was found
FLT 6543 - EWR-IAD - DURING TAKEOFF, AIRCRAFT MADE AN UNSCHEDULED LANDING DUE TO RT GEAR WARNING LIGHT STAYED ON AFTER GEAR RETRACTION. AIRCRAFT RETURNED TO GATE AT EWR WITH NO FURTHER PROBLEMS. MAINTENANCE INSPECTED AND FOUND RT WHEEL WELL MUD GUARD LOOSE AND RESECURED AND PERFORMED GEAR SWING. OPS CHECK OK. AIRCRAFT WAS RELEASED AND APPROVED FOR RETURN TO SERVICE. (M)