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Kit ID


410073-25 Composite Laminate Dorsal Shell with Moisture Dispersion System

The Dorsal of the original design (P/N 430073-1/-501/-503/-505/-507) does not allow dispersion of moisture that builds up in the cavity between the Dorsal and the Fuselage, which leads to corrosion on the fuselage skin under the Dorsal. This kit includes a Dorsal that provides channels for moisture to drain out of the cavity and is effective for models 690A/B. all


Rev IR

Issue Date



690A, 690B