This site is being deprecated.
Please see the official X‑Plane Support page for help.
I'm sorry, I don't know much about the FDR file format and I do not know if anything has been changed in it. You could check the posted release notes to see if there is any mention of an FDR bug fix, or you could try the free demo again and see if the same issue exists.
This site is no longer being actively maintained.