It is unusual these days that somewhere someone has not released a picture of the damage to the engine and/or aircraft and pylon if any.
Understandable that the SLF in the back seeing the flash of flame out an engine along with the bang and then smoke in the cabin are going to be scared
According to the passenger interviewed on NBC is was a near death experience. The plane shook so hard when the engine "exploded" that the passenger had trouble for a few seconds pushing the correct letters so she could text on her phone.