Boeing paused flight tests for its long-awaited 777X after finding a problem with a crucial part — a first setback for its new CEO

• Boeing has paused flight tests for its much-anticipated 777X widebody jet.
• A problem was discovered in the structure that connects the engine to the plane.
• The 777X is already years behind schedule, and the problem adds another challenge for Boeing's new CEO.

Boeing has paused flight tests for the long-awaited 777X widebody jet after finding a problem with a key component.

The part in question is a crucial piece of the structure that connects the engine to the plane.