Mark Z Fort Washington , PA July 28, 2021 Appliance: General Electric General Electric PSB2201NSS02 Ge Microwave Psb2201nss02 / : I was getting sparking in central turntable area especially when small amounts in microwave. How to replace Ring Assembly. I cleaned up the existing shaft turntable, ring assembly, and polished the stainless steel under it. Things got better, but still had some sparking. Replaced the shaft turntable and ring assembly and back to zero sparking. Not sure if I needed to replace both. Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes