.Upon arrival Customer stated system was not working properly. During evaluation found the system to be low on Refrigerant, leaked searched evap coil, Condenser coil, linset outside and inside and found no leaks. Leak searched original portion of linset under house and found heavy oil spots along with Refrigerant leak. Talked with customer about replacement of that portion of the lineset and customer agreed. I Will be coming back Friday to replace that section of linset. Will collect Refrigerant after repair