OK, I tried lowerering one panel yesterday following the tips I received and it was a no go. The Keystone employee that installed that panel must have been getting paid by the staple. There must have been 50 staples used in supporting the panel across the center of the inside roof.
Any attempt to pry the panel just caused the panel to tear apart !
So I'm not ready to tackle the job of completely replacing the panel, it just goes into too many cabinets and fixtures.
Looking for a plan B, maybe take a closer look at the roof side and attack it from there.
Ron W.