I just checked mine, it changed to 07/19/05. This is first change after I filed I-485 since last September.
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NIW (TSC)
I-140 ND : June 19, 2003
I-140 AD : July 21, 2004
I-485 ND : Sept. 21, 2004
I-485 AD : ????
FP ND : 02/12/2005
FP date : 03/08/2005...