Καθηλώθηκαν τα αεροσκάφη της American Airlines στις ΗΠΑ

An American Airlines airplane sits at a gate at the O'Hare Airport in Chicago, Illinois, in this file photo taken October 2, 2014. The Federal Aviation Administration said American Airlines experienced nationwide ground stops on Thursday. REUTERS/Jim Young/Files (File: 2015-09-17T173907Z_1716098938_TM3EB9H11UZ01_RTRMADP_3_AMERICAN-AIRLINE-GROUNDINGS.JPG )