Federal regulators on Friday demanded Boeing explain why it withheld documentation of employees' concerns with a software system which investigators have linked to two fatal crashes of the 737 MAX.
원문출처 : https://www.cnn.com/2019/10/18/politics/boeing-737-max-faa-documents/index.html
원문출처 : https://www.cnn.com/2019/10/18/politics/boeing-737-max-faa-documents/index.html