There is a whole thread on this http://dynonavionics.com/cgi-bin/yabb2/YaBB.pl?num=1331238756
I had it, as have some others from the start. I find it interesting that I had an issue and 3.3.2 resolved it, yet all 3.3.2 was doing was fixing a frozen screen issue. There must be so much more complexity to the whole code that one mathematical change does different things to different people.
This is not a "actual" engine issue, just a displayed issue. You are not doing any damage to be concerned with.
Those who are struggling throught this are all hoping a fix may be forthcoming, but not a safety issue. Just dont try to do a LEAN operation while communicating with anyone during the LOP process