Squawk Box

February 2002 Issue

Clip-Wing Cessnas

Wing attach fittings can corrode to the point of structural failure

The following information is derived from the FAA’s Service Difficulty Reports and Aviation Maintenance Alerts.

The FAA reported that there have been numerous instances of structural corrosion of the wing attachment fitting on virtually all Cessna single-engine airplanes.

The agency recommends an inspection to determine the airworthiness of the parts. Mechanics should remove the top and bottom fairings covering the wing/fuselage attachments and inspect the spar block, the center wing spar and the wing spar assembly for corrosion.

The areas of concern for the Cessnas indicated are the spar block, spar channels and the upper end of the doorposts. Any evidence of corrosion in...

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