In this article, we look at procedures identified in AC 43-206 for the cleaning of avionics equipment to remove and prevent corrosive deposits.
After initial inspection and identification of corrosion in avionics systems, the next logical step is to perform cleaning procedures to reduce/eliminate the risks from corrosion. Inspection and cleaning procedures should be performed on a regularly scheduled basis, as well as immediately following any situation(s) in which the avionics components are exposed to probable sources of contamination (weather, salt spray, spilled fluid(s), cleaners used for nearby systems, and any remnants from repair).
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