This is a known problem on certainly earlier model years.
@cruiserpatch recently released some repair/reinforcement panels that, if I understand correctly, can be used to cover damage like this or to prevent it from occurring.
Read these threads for the details:
The :princess: said the DS rear door was making a weird clunk noise. Pictures to follow, but the metal around the door stop has torn through! Anyone else have this? WTF? Not sure how you fix this w/o replacing doors? This rig is a '99 w/ 167k, not worth finding and painting rear doors...
forum.ih8mud.com
I bought my '99 LX in 2020 right before the price spikes. When I took it home, I noticed that the sheet metal had small cracks forming around the rear door props. Unfortunately I did not address it immediately and this happened: ***Check your rear doors for signs of this. Address it...
forum.ih8mud.com