The Federal Aviation Administration on Tuesday directed air carriers to inspect all Pratt & Whitney engines similar to the one that dramatically failed on a United Airlines flight on Saturday.
원문출처 : https://www.cnn.com/2021/02/24/us/faa-mandates-new-checks-engines/index.html
원문출처 : https://www.cnn.com/2021/02/24/us/faa-mandates-new-checks-engines/index.html