You would have to see what the case law is on this issue. There is often some sort of process for reporting problems within your workplace that allows you to go outside the problem area, such as going to human resources. There may even be a policy for this. You need to have more information. If you did not present that information at the first hearing, you will not get a chance to at the second hearing. Unless the hearing officer was wrong on the law, your chances are not good.
If you found this answer helpful, let me know by clicking the "Mark as Helpful" button at the bottom of this answer. It’s easy and appreciated.Ask a similar question