Went back through the locks on Friday and rode the car for a few hours. Top floor lock had an unusual wear pattern on the shorting bar, the wear pattern looked like the contacts were running off of the shorting bar.

I pulled on and struck the interlock box and it was just barely loose. After re-adjusting the interlock box, I decided not to touch anything else so that I can be sure that this was the issue. I am guessing that occasionally, the lock was bouncing when the doors closed causing a re-open just after leaving the floor.

If the call comes back, I'll let you know.