No response on I-751 petition? What to do?

kate07

Registered Users (C)
Hi, all!
I have filed petition to remove conditions on my GC, they received on December 13th 2010, went for finger printing on Feb. 8th 2011 and ever since nothing at all. I saw other people's time lines here and even earlier filers have got everything a month ago. It is very strange. Should I give them a call now or what are my other options? I am afraid they lost my papers or something.
Thank you in advance
 
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