I talked to S&W today. They will be replacing it free of charge, no questions asked and they send me a no-lock frame. I'm very happy concerning my dealings with S&W. The only thing that bugs me is that I have to pay the transfer fee at a FFL to accept back "my own" gun. Gotta make sure the FFL will transfer a "new" no lock frame to me tho.
Are they making you a new frame and stamping your original serial number on it ???
I've heard that they do this sometimes after completely destroying the original frame so that no two existing frames have the same serial number.