Return visit to look for dye on 2nd floor a/c system and recharge the unit. Customer also needed to fix a pin hole leak on the condenser line that runs through the boiler room from the 2nd floor copper drain line. Dye was found on the 2nd floor unico evaporator coil. Coil should be under warranty office is to quote evap coil replacement for the 2nd floor system. Recharged 2nd fl system with 1.5lbs or refrigerant and the rest 1.5 lbs was added to the 1st fl unit. A repair was made to the copper condensate line that was leaking in boiler room area a vinyl coupling with clamps were used and was tested after repair. https://visionshare.xoi.io/?id=ms48237de5-575d-i184-5d3e4138aab8-uF83-f3c33af8c766 Recharge 2nd fl system with refrigerant. Cut out leaking copper line in boiler room and add a coupling.