Clear kitchen sink blockage Customer was experiencing a blockage in kitchen sink on main floor. Upon arrival I tested for mainline backup and only the kitchen sink was being affected. During my diagnosis I noticed water backing up in sink. I ran k45 cable to clear blockage multiple times. After running cable, I brought back some food debris and grease. I tested kitchen and dishwasher to ensure we restored proper flow and we also tested for leaks and we’re successful.