Go to www.naca.net to find a Kansas attorney who handles FCRA furnisher cases. There is a specific procedure that you have to follow in order to preserve your rights. I could tell you what I tell my clients, but the lawyer you see would not appreciate my giving you potentially bad advice.
I think you have a number of claims against the third company, if not the original mortgage company who sold your loan for a discharge injunction violation, if sold after the discharge was granted. Rachel Foley is an attorney in KC, MO who is a member of NACA as am I. She is a great attorney who can advise you on what you should be doing. 816-472-3257
When you get a copy of your credit report, it gives you instruction on disputing information in the report. Follow those. Essentially, you tell the reporting agency the debt was discharged in bankruptcy and it has to tell the creditor, who has to show that it was not discharged. If that does not work, then attorney assistance may be necessary. Attorneys do specialize in this area because many lenders break the rules, and the law allows for the recovery of their fees if you need to sue to enforce your rights.