rear door

Hi all, This afternoon, I was installing a replacement rear door handle and I've done a completely stupid mistake, I've applied too much strengh while reinstalling the screw. At some point, I've damage the internal mechanism (heard a "clac"), probably by breaking a stopper or something like...

I've had a cracking noise coming from the rear door for a few weeks now. This weekend I started troubleshooting and removed all the attachments. Yesterday I had help with troubleshooting. While driving it continues to crack, my help then pressed against the door with his legs and the cracking...