Ralph S Boerne , TX February 14, 2016 Appliance: Kenmore Dishwasher 66515629000 Kenmore Dishwasher 66515629000: The "spinner" disc broke off the 3rd wash arm. How to replace 3Rd Level Wash Arm. I watched the video online, ordered the part and replaced the 3rd wash arm. It took all of 10 minutes, including going to get the tools. Couldn't be easier. Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes