I don’t know that, but with the present lack of information I was venturing a low information guess simply because the aircraft is otherwise very reliable in al

I don’t know that, but with the present lack of information I was venturing a low information guess simply because the aircraft is otherwise very reliable in all its variants. In any case it looks like groundings are currently being ordered only for 777s with the P&W engines because they uniquely have hollow fan blades.