RV Armour or Line X Roof

I have water intrusion in the left from corner. You can see where the plywood is delaminating because the membrane has a bubble in it. The cause I think is the screws. There are metal strips that run back each side of the EPDM. It looks like there should be some sort of cover that slides into the metal strip and covers the screw heads, but that cover is gone and there is no sealant on the score heads.