A new statement from Boeing indicates that the aerospace manufacturer knew about a problem with the 737 Max aircraft well before the deadly October 2018 Lion Air crash, but decided not to do anything about it.
원문출처 : https://www.cnn.com/2019/05/05/us/boeing-737-max-disagree-alert/index.html
원문출처 : https://www.cnn.com/2019/05/05/us/boeing-737-max-disagree-alert/index.html