S19 pro. Repair

I had a hash board drop out s19 pro does anyone know a good repair facility to get it fix.

I recommend @eastcoastasic if you’re in the US

Before sending it in for repair, perhaps you can troubleshoot according to the repair manual. When a chain is dropped, there is often a problem with the connection between the hash board and control board. Check the cables for open circuits.
Here is the repair manual for the Antminer S19 Pro hash board