Scottro and I just finished troubleshooting a problem with his Report Mod for OSTicket v1.6ST. And he will be posting a new update to his site shortly. If you need reporting capabilities for your implementation of OSTicket I urge you to check it out.
You can get his reporting mod at:
http://sudobash.net/ostickets-reports/
release notes:
This release fixes a problem with “Replies by Staff”
puts the missing icon back in to the distribution archive