Federating with FTCC was not cured by the upgrade to QA4.  We are now required to upgrade to QA5 to implement the fix.  Thus, on May 18, QA5 was installed on our test server.   It appears that FTCC is federating correctly in QA5, but the update function in the Blackboard building block is not functioning properly.  When clicking the update button on any Equella item in a Blackboard course, the screen turns blank and nothing reappears.  TLE is looking into the problem.