Elis is down for me too. When I search for my case in the my case status, it says they received my case on August 29th...
My EAD expired on 8/17, and my case was accepted on April 7th...
And I got a text yesterday from USCIS saying my case was updated, but nothing had changed on Elis at the time.
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(Application done by myself) Date delivered - 8/16/12 Nebraska
Date acceptance letter of application received - 8/20/12
Date of I-797 C Notice of Action (Application Approved) - 8/21/12
Date Biometrics scheduled - 9/12/12
Date of EAD Notification- 9/28/12