Southwest Airlines flight WN3695, operating a Boeing 737-800, had to return to Denver this morning shortly after takeoff.
The crew declared an emergency, reporting that part of the engine cowling had detached and was hanging precariously.
The flight was initially en route to Houston.
We apologize for the inconvenience of their delay but place our highest priority on ultimate Safety for our Customers and Employees," the statement said. Southwest said no injuries were reported.
Southwest said its maintenance teams would review the aircraft, which was in the air for 35 minutes before it was forced to turn around and land. The plane was deemed airworthy in May 2015, per FAA records