I'm in almost the same boat as you. I got approved Friday and it says they mailed me an approval letter, BUT it has not gone to "card production" yet. Has anyone else had this problem?
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Lockbox: Texsas | Sent: 8-29-2012 | Delivered: 9-03-2012 | SC: Vermont| I-797C Letter Received: 9-14-2012 | Biometrics Letter Received: 9-14-2012 | Biometrics Appt: 9-27-12| Walk in Biometrics Completed: 9-17-2012 |EAD: Initial Review |DACA: RFE on 11/9/2012 |RFE sent: 11/13/12 |Received: 11/16/12 |Processed:11/19/12 | Approval:12/14/12 Thank you God! |Mailed out:12/18/12