Diagnosed Goodman heat pump with R-410A refrigerant leak. Located fractured suction line at compressor connection due to vibration. Repaired connection, pressure tested system to 450 PSI with nitrogen, evacuated to 250 microns, and recharged to manufacturer specifications. Verified superheat at 12°F and subcooling at 10°F. Recommended installing vibration isolation pads and spring maintenance before cooling season begins.