Thanks, Kate. Do you mean it would have been on TDNAM after it expired but before it moved into "pending delete" ? Do all expired Godaddy names go to TDNAM or are they selective?
I think all, I've buy domains in auction and there's 7 days after auction winning that previous owner can still renew domain.
So maybe these 7 days works also for domains that weren't bought in auctions.godaddy.com (ex-TDNAM).