Pilots from the three American carriers that fly Boeing 737 MAX planes tested software changes developed by Boeing to a key stabilization system on Saturday, a person briefed on the tests said.
원문출처 : https://www.cnn.com/2019/03/24/politics/boeing-software-737-max/index.html
원문출처 : https://www.cnn.com/2019/03/24/politics/boeing-software-737-max/index.html