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Black Plague – Corrosion

Black Plague Corrosion  is a black substance that forms in the liquid cooling systems of high power radars. This substance adheres to the walls of tubing and components in the cooling system and affects the heat transfer characteristics of the system. Corrosion removal for these components is the same as for the base metal.

FAA AC 43-206

See definition for Purple Plague Corrosion and Red Plague Corrosion

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