Whenever I remember to rename the extension in Titan it always works here. I use it for every delivery we get. Multiple TV series and features so I know it works.
If you happen to own EdiLoad (we do) then I suggest you clean th Audio EDL before running it in Titan.
First I sort on roll or clip and and remove all non dialog events (it makes it easier to see if any files where not found in the report afterwards) and then run the clean list (CMD/SHIFT/C), this removes all stereo duplicates etc so the list becomes a lot neater and so does the conform.
In Titan I can only get decent results when having it set to calculate tracks (the top most choice in the drop down) the others can create horrendous results at times.
Good luck Titanizing 