The ao3 is the middle solve out of 3 and in your case your times probably were like this:
1. best
2. worst
3. middle (41.26)
4. best
5. worst
In this case, solve N°3 is going to be the middle solve and solve N°4 replaces the other best time (N°1) in the ao3 so nothing changes and solve N°5 replaces N°2 in the ao3 and if N°5 is as bad/ slow as N°2, then the ao3 doesn't change either. Example: