My copy of the 3D Bluray won't arrive until Thursday and I don't have a BD drive in this machine anymore, so I won't be able to rip it and adjust, but...
...what I'd do is rip the audio track, check it's frame amount, then add the difference as silence to the front of the DTS track. They should both end at the same spot.
I wonder how hard it would be to do a scan of a print ourselves. The cheating method would be to telesync with an HD camera adjusted properly, but it would only be 1080p and wouldn't be a true scan, but maybe closer to theatrically accurate than what we're being fed.