PLUS Exterior Lighting Propeller Maintenance Paint Removers Corrosion Cantankerous Left untreated, deterioration can make an aircraft unairworthy in just a few years. It is important to keep on top of preventative maintenance and if corrosion still appears, to get it under control quickly. Otherwise, you'll be grounded - fast. JUNE/JULY 2021 www.AviationPros.comhttp://www.AviationPros.com