Microwave lightbulb replacement

I recently purchased a new light bulb to replace in my GE microwave (model # JVM1870SK03). I have hired an electrician and neither of us can figure out how to replace the bulb. It is mounted under a shelf and against the wall in my kitchen. The light bulb is GEH WB25X10019 Lamp Halogen 120V/20W. I have read the manual several times and still cannot figure this out!

Any ideas on how to replace the light bulb?

Thanks!

You have to remove the top grille and the lamp cover (#50 on the diagram) in order to access the light bulb.

Here are the breakdown diagrams and Replacement parts for General Electric JVM1870SK03 Counter top microwave | AppliancePartsPros.com

Gene.

P.S. If you would like to hire a pro, then it suppose to be an appliance repair guy.