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Old January 14th 15, 09:39 PM posted to rec.aviation.soaring
John Ferguson[_2_]
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Posts: 19
Default Boxing the wake cracks Pawnee tail tubings or long term fatigue?

There are a number of ADs for the Pawnee, one specifically for corrosion
issues in the rear fuselage structure. You might just be seeing these
problems coming to light.