United Flight 382 and similar incidents involving Boeing 777 with Pratt & Whitney engines

Aviation analyst and pilot Kyle Bailey says the NTSB will be investigating whether a mechanical failure, debris being ingested into the engine or possible improper maintenance is to blame.
A United Airlines Boeing 777 jet that suffered a catastrophic engine failure shortly after departing Denver International Airport, littering Colorado neighborhoods below with large pieces of debris, led the U.S. planemaker, airlines and international regulators to order inspections and even groundings of the widebody aircraft.
The moves come after a PW4000 engine on United Flight 382, headed to Honolulu, exploded on Saturday, forcing the crew to make an emergency landing back in Denver less than a half-hour after taking off and marking the third incident in recent years involving the same jet and same…