Robert J Matthews , NC May 16, 2021 Appliance: Samsung Microwave SMH9187ST/XAA Samsung Microwave Smh9187st/Xaa / : Microwave door wouldn't close and tray was chipped. How to replace Microwave Door Latch Hook. Remove trim strip inside door. Replace latch. Put trim back. It's held in place by clips and there are many YouTube videos on how to do this. Replaced tray. Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes