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Installation of improved propeller spinner attachment.
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Prevention of cracks developing in the side flanges of the stabilizer attaching bracket.
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Inspection for evidence of cracks and rework instructions of the vertical stabilizer attachment fitting.
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Recommended repair and alteration for fraying rudder cables.
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Recommended repair for cracks in rear fin spar at upper hinge bracket.
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Instructions for installing Micarta fairleads on the fifth and eighth nose ribs to prevent slack aileron cables from rubbing on the metal edge.
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Rework instructions for alignment of landing gear wheels.
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Inspection and recommended repair to aileron hinge bracket.
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Correcting low oil temperature in the engine during cold weather operation.
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Modifications to prevent fuel line failures aft of the firewall.