If you pull a solder pad off a circuit board the board is irreparably damaged and has to be replaced. Without the pad there is nothing to solder to. This is probably not going to be covered under warranty. Send the ESC in using our service request form
http://www.castlecreations.com/support/repairs.html. Worst case it will cost about half the cost of a new one to replace the ESC.
Because we use hight temperature liquid flux solder which we had to retrain our techs to use, any soldering on the circuit board on any of our products voids the warranty.
Bernie