Arrived at the customer’s home to find the cause of no cooling on the main floor system. The customer also found water in the emergency drain pan. Tested cooling from the thermostat. Measured the refrigerant pressures and electrical component readings. Ran duct load calculations. After finding the system is very low on refrigerant, performed a leak search at the coil. A leak was found at the evaporator coil. We will need to call Carrier in the morning to check on the availability of the replacement part. For the meantime, scheduled to return Friday August 22nd 8-10 (Kurtz #442340). This date will most likely change when the part is located.