Upstairs system. Found a copper line twisted inside the condenser at the discharge line that is leaking due to a crack within the twisted section. Video and pictures on file. Tech recovered the R410a refrigerant, cut out the twisted section of the copper, brazed in a 90 degree coupling while flowing nitrogen, replaced the filter dryer, pressure tested, and pulled a vacuum below 500 microns. Charged system with 8lbs of R 410a(factory charge). Delta T of 22 degrees. Johnathan is aware of the repairs and cost. System is back up and cooling.