Customer called in needing kitchen drain augured. Customer mentioned that kitchen backed up a few months ago and it backed up again. Informed customer we will need to augur drain line snd figure out what is going on. Customer is on slab and has pvc drain lines. Took tries to get line open. Line was filled with grease build up. Informed customer if drain. Backs up again in less than a year time, will highly recommend jetting kitchen drain line. No warranty.