Investigators of a fatal accident on a Southwest Airlines plane last year recommend that Boeing retrofit the engines of nearly 7,000 jets to prevent a repeat of the accident.
원문출처 : https://www.cnn.com/2019/11/19/business/boeing-737-ng-fix-southwest-airlines-fatality/index.html
원문출처 : https://www.cnn.com/2019/11/19/business/boeing-737-ng-fix-southwest-airlines-fatality/index.html