This happened to me also. What I did was to open the passenger storage bay and pull stuff out to get access to the laundry basket. I pushed the basket up for the trap door to open and pushed the screen basket out of the way. Crawled through the hatch and was able to unlock the door from the inside.
From there, I was able to door lock repairs as needed.
I hope this helps someone in the future.
Happy Trails
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