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Kept saying they had a united ticket. the machine made noises that register to nowhere. john? >> jon: how did all of this happen? do we know? >> reporter: teigen may think those are a silly noise making machine that dont mean anything but they are connected to the passenger and crew manifest. they talk to government systems at the destination n this case japan, and here in the u.s. theoretically if a passengers ticket did scan and the person is trying to get on the wrong flight, red lights and a...