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How to detect cracks in the muffler assembly in Cessna model airplanes incorporating Piper Muffler Assembly P/N 10308-00 with the installation of a Lycoming engine.
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Replacing the shimmy dampener currently installed in the affected model aircraft with new shimmy dampener, part number 13086-00, and instructions for continuing maintenance at regular intervals.
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Remove the tires and inspect the wheel flanges for fatigue cracks.
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Excerpt from FAA Order 8130.2F “Airworthiness Certification of Aircraft and Related Parts”
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Corrosion and pitting on control cable attachment fittings could lead to loss of some flight controls.
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Inspection of front and rear control stick socket castings for cracks at the ears to which the push-pull tube attaches.
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Article titled "J-3 Aileron Cable Pulley Installation" by Joel Gehring from Cub Clues #139 March/April 2007.
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Prevent flight controls malfunction including possible loss of control due to cable failure.
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"Identifying a Cub's Gross Weight" by Joel Gehring excerpted from Cub Clues #135 July/August 2006.
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Steps to detect permanent deformation and/or cracks in the lower frame side tubes on the adjustable front seat.