When your unit is suspended, the "Submit for Approval" form doesn't ever actually submit. It will open, but when you click on submit the icon spins and refreshes the form popup, but doesn't actually show signs of submitting.
Also, if left alone for about a minute, will change and have a random white box on the bottom.
http://puu.sh/uq3I9/ba014365a7.png
Related, I can't submit my unit for reapproval :(