NC cleared??? wxyzabc2007-06-05 12:30:33

NSC, EB1b, I-485 pending 22 months, 1st FP Feb 2006, 2st FP May 2007. LUD Feb 2006.
Called custom service and got letter from USCIS says:

Based on your request we researched the status of this case. We actively processing the case. However,we have to perfrom additional review on this case and this has caused a longer processing time. If you do not receive a decision or other notice of action from us within 6 months of this letter, plass call customer service at the number below.

Is my name check cleared?

回复：NC cleared???

Would like to share the phone number that you called?

No, not cleared.