You can find the documentation here. The USPTO found 13 of Desire2Learn's 14 claims to raise substantial new questions of patentability. However, the government did not a preliminary finding, as is usual with an Inter Partes challenge, because they are considering whether this challenge should be merged with the Ex Parte challenge filed by the SFLC on behalf of the Sakai, Moodle, and ATutor communities. I assume that the finding will be issued once this decision has been made.
If anybody has any further analysis of the document, please remember to tag it "edupatents" so that it will be picked up by the EduPatent Alerts system.