Originally Posted by
Clarence Oveur
If a fan blade, or part of it, had departed, there would probably be more than a loud bang and a change in cabin noise. You would no doubt also be able to feel vibrations.
The fan casing should be able to contain a separated blade. It also seem from you pictures that the holes are in the intake. I.e forward of the fan section.
It is possibly damage from a foreign object. Perhaps linked to the GA?
Fair point. No reason was given for the GA so who knows.