J Russell W Salt Lake City , UT July 04, 2015 Appliance: Kenmore Microwave 72166312500 Kenmore Microwave 72166312500: Light bulb burnt out in microwave. How to replace Lamp (Oven/Baseless). Found APP.com entered in model number and they provide exact replacement. Removed shell with star drivers and Phillips. Bulb held in by snap pins, pushed out and remove terminal connection. Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes