Recently my Application Have been Updated

[flamboyant]

Hello Experts.

My I-485 RD is Jan 13th 2003.
I gave my FB in Feb 4th week and it is Received my USCIS on March 2003.
When i checked my case status on line, it says my case was last updated on 04/29/2004. My detailed status says USCIS received the FB on March 2003.

Any expert advice on what would have happend on 04/29/2004 & what can i expect next & when ??

Thanks.