Arrived 18 May for a free second opinion on that leak found an oil spot underneath the compressor when used electronics sniffing device cannot get any definitive leaks on it search the evaporator for leaks nothing found advise customer wait until it warms up to above 80° to definitively find a problem. Customer is also aware that she has an ADP coil in a downflow configuration it’s not advisable to have this coil misconfiguration super heat on the system was overcharged have a fixed metering device at 5° of superheat 14° of sub cooling.