Ah, not RAMHere's a pretty HQ image (from iFixIt)
That rather rules out clamping with everything in place.
So *looks a other pics* in the drop the blue board was pile-driven into the connector... I guess that's not far-fetched if you dropped it just right (wrong). Particularly if what looks like a plastic support bracket on the right hand side had previously been removed, or wasn't screwed in place, or failed...
