Tech returned to perform leak search. Tech pressurized system with nitrogen and found a leak at suction line joint in copper line. Tech quoted $1,162.32 to repair leak not including refrigerant as maintenance stated they have their own refrigerant and can charge system up. Customer approved repair, tech brazed leak spot while flowing nitrogen and sealed leak. Pressure tested system for 30 minutes with no drop in pressure. Evacuated system to 500 microns, passed decay test. Billing out todays invoice per office, office will bill out last weeks invoice to correct email. Tech stated payment needs to be made within a week from today. 4/25/24