"220V AC Cooling Fan" new materials using a higher hardness and a new carbon fiber epoxy. Its leading edge materials from titanium to steel alloys will further enhance the strength of the blade. 2014 will invest $ 300 million for the new engine technology GE9X maturity test. Test items include promoting universal simulator (UPS) "220V AC Cooling Fan" performance testing, as well as the GEnx ceramic matrix composite (CMC) component testing. GE Aviation plans to conduct in 2015 the first full-size core machine test, first engine test program conducted in 2016, 2017 test bench at GE's flight tests. Engine "220V AC Cooling Fan" is scheduled in 2018 to obtain a certificate of airworthiness.