Customer stated drain was clogged underneath a dishwasher Technician notes after inspecting the drain that was on the lower level behind the bar underneath the dishwasher, I found that only when the right hand side sink was running is when the drain went back up, I noticed the sanitary tee that drops into the slab for the main drain line was backwards from where the sink was made by removed both ferncos to ensure there was no clog in that line as well as ran a 6 foot closet auger to clear any debris that was in the drain. Resolution after running the closet auger 6 feet I didn’t fill any object or stoppage in the line have to reinstalling everything. I ran the right hand side seat after about eight seconds and backed up to the left of that sanitary tee. After running the left sink for approximately five minutes, nothing backed up. I filled up a bucket and dumped the bucket down the left-hand side sink to ensure the stoppage was cleared and found that the drain was for flowing on the