Honestly I haven't researched it fully. Its in storage. Its Just a thought exercise. Last fall my yaw sensor was acting up. The foam was damp. I took the sensor apart and dried it. I sealed it with dielectric grease and painted the contact terminals with deoxit. It seemed to fix the issue. However the foam is a sponge and holds any moisture that may get down there. Obviously avoiding getting the water down there is primary but it seems to happen to alot of us,