Bummer.
I'm trying to figure out what "snap" you're referring to, but I'll assume you mean those little with things that hold the rods in place. As for hearing your door lock go up & down, then quit, it seems to me like a wire must have gotten pinched and is possibly grounding out somewhere against metal. It might be grounded in the Locked position and hence won't open from either side. Does the manual lock mechanism still come up?
Not sure how much info you have about the inner door parts or PDL circuit, so I've posted some stuff below that might help. They are in JPG format, so you can just copy them and save them. Maybe something will help you locate a certain wire or relay or something.
Hope you get it figured it. If you do, please let me know. I'm curious to know what to watch out for on my car. Good luck!