A United Boeing 787 suffered an engine failure, forcing it to dump fuel and make an emergency landing after 30 minutes
1. A United Airlines flight made an emergency landing due to engine failure. 2. The Boeing 787 safely returned after 30 minutes in the air. 3. Passengers were safely deplaned; flight was subsequently canceled. 4. Plane has since returned to service after evaluation. 5. This incident raises concerns about Boeing's aircraft reliability.