Upon arrival tenets kitchen sink was backed up. I called owner with options we started as a Bronze branch line with a Six month warranty. I took kitchen sink apart and remove disposal to access drain. I ran 100 machine as Machine would go. Put disposal back in the pipe kitchen sink and tested. Was still backed up. I took kitchen sink back apart and remove disposal and ran cable again. Came out and put the sink back together and disposal. Checked operation for leaks. Sink operating normally and draining normally .