i have found some corrosion on my rv7a. I believe its filiform corrosion. I am wondering what the proper repair is or if there is an easier, less pretty repair available just to stop any further damage? Or maybe this corrosion is just on the surface and basically superficial and I can hold off a while before repairing it? I am planning to have this airplane professionally painted sometime in the future but am hoping to hold off for a year or 2. The corrosion is in very small patches on various parts of the airframe but this is the worst section on the bottom of the fuselage near the rear of the wing. Under the bubbled up paint is a white/gray coating that can be flaked off with my fingernail. I have tried to look for recommended repairs on the internet and get conflicting results so I thought I would ask the RV community for further guidance. Thanks in advance!!
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