United Kingdom, July 20 -- The GE Aerospace GEnx-1B engine has surpassed the 50 million flight hour mark in just over 14 years, the fastest rate ever for GE Aerospace commercial widebody engine model.The GEnx-1B, which powers the Boeing 787 Dreamliner family, is currently in service with more than 50 operators around the world and is averaging a total of over 600,000 flight hours monthly. The engine boasts a 99.98% dispatch reliability rate and stays on-wing at a rate three times higher than competing engines. The GEnx engine family has more than 2,700 engines in service, including spares. The GEnx-2B has accumulated 24 million hours since entering service in 2011 on the Boeing 747-8. In total, the GEnx engine family has nearly 75 million f...