当地时间8月6日，美国联邦航空运营局对美国联合航空公司（美联航）在多个机场的障美西安中学曝光攻略航班下达地面停飞令。
美联航表示，联航令停郑州大学门事件下载正紧急处理一起工艺故障，航班尽快恢复航班运行。被下（央视记者 曹健）
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