Here’s how much different the Boeing 777X’s engines are compared to the 777-300ER

The transition from the GE90 to the GE9X marks the end of the brute force era of engine design.
Aviation Week

Korean Air’s Spare GE9X Engines Deal To Enhance Resilience

Korean Air is on track to secure four spare GE Aerospace GE9X engines and four GEnx-1Bs for its Boeing 777-9 and 787-10 order to enhance the fleet’s resilience. The deal worth $7.8 billion also covers ...