✈Boeing, Japan Airlines Announces Order for Four 787-8 Dreamliners. MediaRoom
http://boeing.mediaroom.com/2017-09-20-Boeing-Japan-Airlines-Announces-Order-for-Four-787-8-Dreamliners
JAL identified as customer for four 787-8s
https://www.flightglobal.com/news/articles/jal-identified-as-customer-for-four-787-8s-441339/