Found Reach-In Cooler unit low on refrigerant so I began leak checking the system. I had to drill out some of the old screws for the interior covers to access the evaporator. Once I got the covers off I found that the evaporator is leaking on the bottom left hand side where the tubing passes through the end wall of the coil. It is not repairable and the evaporator would have to be replaced. I remastered covers and replaced screws.. Because the unit had been running while low on refrigerant the compressor had been extremely hot when I arrived. My concern would be that we'd replace the evaporator and then shortly after the compressor would go out. I gave the customer a price on a new Atosa prep table of $2,126.73 Repair $1250. I added refrigerant so the customer can use it for now but I can't guarantee how long it will last.