No holes....Just some big dents. Must have been exciting to be seated inside and where the dent by the window is.
Pilots train frequently for these events. Engine loss before V1, you stop on the runway. After V1 speed, you can safely continue the takeoff on one engine.
Never lost an engine in 37 yrs of flying. (knock on wood)
“Oxygen masks were made available to passengers as the airline rapidly descended”
Sounds like a loss of pressure to me, but if they were drawing their air from that engine, it could be that there wasn’t a hull breach.