Customer called about a slow draining kitchen sink. We tested the sink and saw that it was due to a partial clog in the disposal side. Also we noticed the garbage disposal was not working. Due to the clog we recommended a trap cleaning customer had $73 drain cleaning coupon which we applied. We also recommended a new garbage disposal because of the state of the previous disposal. We recommended endure for pipe maintenance. We then checked the water heater which was 10 years old but installed properly. We then checked the water pressure which was about 50 psi. We replaced the garbage disposal and cleaned the trap. We treated the drain with endure. We tested the sink drainage and disposal functionality, everything is functioning properly.