Customer stated that there was a leak under kitchen sink and also spray on dishwasher supply line. Stated to customer that drain under kitchen sink wasn’t installed properly. Recommended to customer to rework under kitchen sink and also install new service valve and water supply line for dishwasher. Customer agreed. Cut hole in back of cabinet underneath kitchen sink to access 2 inch kitchen drain line. Reworked and reconnected back under sink. Tested and no leaks were present at this time and everything was draining as it should. Shut water off to home and replace service valve for dishwasher and supply line. Turned water back on and tested, and no leaks were present at this time. Cleaned up work area.