We will be bringing down Star Trek Online on Tuesday, September 7th from 3AM PST to 5AM PST (10AM to 12PM UTC) in order to perform maintenance. We will update this thread once this maintenance has been completed.
The Star Trek Online Team
Well, either it didn't happen, or they did an in-server maintanence. They've done that before, where people who are already logged in can stay logged in, but no new ones can login while they perform basic maintanence.