System #1 Tech recommends leak search level 3 and adding pressure. Repair leak the service port cap and valve stem on the true suction port and evacuate the system and charge the system with R410a, due to line set length and size, an additional 2-4 lbs are needed to acquire proper refrigerant levels/pressures. Tech pressure tested and evacuated the system below 500 microns. Charge the system and tested cooling. 23 degree split difference. Erica approved today’s repairs and will be billing out. System is back operating.