yes i have done that last week , i removed of all the frame and the FRP out for repair , if you want remove the frame only all you need to open around 8 screws .
4 screws over head inside the cabin
4 screws in each corner of the driver and pax side
They made it in some professional work shop here is the link below.
https://forum.ih8mud.com/70-series-tech/205700-new-70-series-2007-body-fabrication.html