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. Sign up to get the inside scoop on today’s biggest stories in markets, tech, and business — delivered daily. Read preview Thanks for signing up! Go to newsletter preferences Thanks for signing up! Access your favorite topics in a personalized f ...