Multiple check-in devices for international flights had malfunctioned, causing delays to some flights, just two days after the airport suffered a glitch in its air traffic control system, the operator of Haneda airport said Thursday.Japan Airport Terminal Co. said the machines began experiencing technical issues from around 6 a.m. The trouble was resolved by around 11 a.m., it said.The problem occurred after flights were delayed and canceled at the airport on Tuesday due to glitches in its air traffic control system, which were later traced to a malfunction originating at the Fukuoka air tr…READ FULL ARTICLE