
How The GE9X's 134-Inch Fan Creates Problems No Other Jet Engine Faces
The engine is set to launch on the Boeing 777X in 2027.

The engine is set to launch on the Boeing 777X in 2027.

GE Aerospace says its redesigned GE9X mid-seal should keep Boeing's long-delayed 777X on track for 2027 service.

ETOPS campaign has yet to begin while Boeing has already adjusted 777X production and delivery schedules

A newly reworked turbine seal triggers shop inspections and supplier ramp ups as GE lines up revised GE9X deliveries.

The Boeing 777X will be exclusively powered by next-generation GE9X turbofans, which lack the iconic chevrons of the Dreamliner.

As Boeing continues the 777X flight-test program, GE Aerospace has been addressing a durability issue involving an internal GE9X midseal.

The engine's unique complexity, performance, and monopoly on powering the 777X have led this engine to be eye-wateringly expensive.

The GE9X will be the most crucial determinent behind the 777X's success or failure.

Lufthansa Cargo's mix of next-generation and current-generation engines highlights balancing long-term efficiency goals with immediate business needs.

Because the engine was designed to deliver more power than any other powerplant in the market, its components are experiencing unforeseen issues.

Discover the engineering behind the 777X's engine.