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From what I am understanding, it should not show open or have a balance. When you disputed it, did you send a copy of your discharge and the list of debts included? What finance company was it?
Now, you would try a direct dispute with the actual lender. Be sure to give them a timeframe (ie, say, 30 days from receipt) to correct it.
You can always contact your lawyer and have them send in a letter. I had my lawyer do that many times over the years. It's been a little over 8 years.