I have a water leak(looks like maybe black water) coming out from the bottom of a big black steel plate above the propane tank on my 2018 Bounder 35K. Does anyone know what is behind the big black steel plate (about 12" x 20" steel plate)? The plate has metal screws in it, but I am not sure what the screw heads are (Torix, star, ???????) And I am afraid to unfasten the plate because I do not know what is behind the plate and what is leaking?