Bob H New Hyde Park , NY December 27, 2017 Appliance: Bosch Microwave HMC80151UC/01 Bosch Microwave Hmc80151uc/01: Microwave was sparking. How to replace Microwave Turntable Tray. Replaced the tray and it is working fine 6 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes