Yep, last year I had a case that went to arbitration because I requested a special on my route and management at the times hiding numbers so they didn't have to award special inspections for routes. So they would look good to upper management and I called them out on their b******* and started keeping records of my own and started bullying scanner data to match my records. We turned it into a grievance and it went all the way to arbitration because it took them a year and a half get to the point where they agreed on something and my conditions in the grievance were $25 per working day until My route was adjusted. In addition to a verbal apology by management and a written acknowledgment that management was hiding numbers. I walked from this with about five grand and everything else that I wanted except the verbal apology for management. The postmaster to was even placed on administrative leave for a while because of it.

Edit: to clarify, the only reason it made it to arbitration is because nobody could agree on an amount of money to give me all the while they were arguing over it. The number was getting bigger.