Links to the full size twitter pics (not mine):
https://pbs.twimg.com/media/DLGV5R-V4AEAH0P.jpg:large
https://pbs.twimg.com/media/DLGV5R5VAAAgsx6.jpg:large
It looks like the whole fan module fell off. How is it attached? What would happen first, failure of the bolts on the outer flange or fracture of the shaft?
Zoomed highlights attached.