I finally made up my mind to permanently attach the cabin cover to the fuse. I've pretty much decided what I'm going to do fo rheadliner and how I'll install it, and while it would be easier to do with the top of, I need to get on with several other items which are dependant on this. Started by priming the backing strips and then riveting the aft cabin top to the Fuse side skins using CS4-4's, then filedl/riveted the holes left open in order to locate the doors in the cabin cover, (It's been a while siince I've done any riveting). Then double checked and recountersunk the holes for the AN 509-10 screws, and attached all of the screws, washers, and nuts and torqued them,
Attached the AN509 screws that bolt the cabin cover to the fuse
Riveted the aft Cabin cover to the Fuse side skins and longerons