Boeing 777X Prototype Restarts Test Flights After 5 Month Pause

Another test model of Boeing's much-anticipated 777X took flight last week after a hiatus lasting nearly half a year on the ground. The 777-9, along with three other pre-series models, have performed test flights since 2020 but have experienced some challenges.

https://simpleflying.com/boeing-777x-prototype-restarts-test-5-months/