Prat and Whitney announced that hundreds of its engines would need to be recalled, returned, and inspected for mechanical flaws threatening the engine's integrity and proper working function. (aeroxplorer.com) 更多...
The a321 NEO and XLR both recieved ETOPS 180 from EASA and FAA essentially out of the box. No consideration for installed power plants and relevant ops. history! A complete disregard of the original ETOPS engine reliability data requirements!
https://simpleflying.com/a321neo-long-range-approval/