Repair slow running laundry sink. Determined pump is not pumping water out, and when it filled up the sink went into right side and drain going to sewer is clogged. Pulled out sump pump. Removed garden hose from unit and determined garden hose was clogged with lint, removed debris and reattached, pump operating as normal now. Removed p trap under sink and ran snake through drain approx 20ft in total. Reattached, filled up right side sink and let it drain down. Tested and restored flow at this time.