Hello,
This sounds like the latch needs to be replaced you will need to remove the door panel.
https://www.2carpros.com/articles/door-panel-removal
This guide will give you an idea. Here are diagrams to show you how to do the job.
Check out the diagrams (below).
Let us know what happens and please upload pictures or videos of the problem.
Cheers, Ken
Images (Click to make bigger)
Wednesday, March 28th, 2018 AT 12:35 PM