Mr. Tire review: brake line replacement

My truck had its brake line replaced there in October 2018 and the brake lines went bad again. My truck has been in Mr tire for 3 weeks now and I have not been able to get an honest answer on when I will get it back. I have been told several times that it would be ready be it is still there. I've called the customer service number several times and can not get anything from them. Customer service tells me they will call be back but they never do. Today I asked to speak to a district manager and they said he will contact me but I don't feel confident that will happen.
This experience has been the worst display of service I have ever experienced. I am looking for next steps to get this resolved.