Technician arrived to customers home, asked questions about problem, homeowner mentioned it wasn't cooling she thinks since Saturday. Technician inspected attic unit, everything seemd in good condition, technician continued to outside unit, refrigerant levels low, did a leak search on attic unit and condenser unit, no success on finding leaks. Technician added refrigerant to ratings. System cooling no problems not cooling. Technician talked to customer about problems. Unit cooling upon departure