Technician Taylor arrived on scene to investigate reports of leak occurring after we cleared a drain. Client stated they believed it came from the dishwasher hose said it mainly occurs when they run the dishwasher. technician found underneath kitchen sink there was standing water we had previously been out to clear dishwasher line. Upon investigation technician found problem to actually lie with P-trap. Technician found one of the nuts had slipped off the end of the dirty arm. This caused a leak anytime there was a large amount of water flow through the disposal. Technician reconnected and tested. Technician found no other source of leak and told client to keep an eye on it to ensure such. Technician clean work area and pulled off.