My OPT Case status shows nothing on USCIS website suddenly, Is any one having same is

[DesiOPT-FaceBook-Admin]

Hi i am waiting for my OPT extension card, i applied on 14 March 2013 , i got receipt on 20 number from USCIS. my 12 month OPT just expired on 7th MAY 2013. i was checking my update everyday and it was on initial review only but suddenly from yesterday it showing nothing, can you help with this? such kind of case happen before?

This was posted on https://www.facebook.com/desiopt1 on May 18th 2013

[DesiOPT-FaceBook-Admin]

Below is a message from one of our reader:
Hi I just confirmed with USCIS immigration officer, they are having Technical issue right now so only me but there are many application are are not showing in website.

[DesiOPT-FaceBook-Fan]

I may be system problem.! It happens some times.! It will be updated in a day r 2 .! Incase not contact uscis