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Steps to preclude failure of the rudder cable attachment fitting lug at the weld on rudder pedals.
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Inspection and reworking the turnbuckles to preclude the possibility of fork end failures in the control system.
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Inspect the flap control system to ensure that six flap control pulley guards are properly installed.
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Inspection of the engine exhaust muffler and shroud assembly, carburetor heat shroud and air duct, support braces, clamps and brackets, exhaust stacks and manifolds.
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Steps to prevent possible failure of the fuel strainer bowl.
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Racking loads imposed by rough water operation can result in damage to the airplane fuselage structure.
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Install additional brace tube to prevent possible failure of the tailpipe and cracking of the muffler.
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Installation of insulators inside the battery box cover over the battery terminals to positively prevent a metallic contact between the wing nuts or terminals and cover.
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Aluminum bellcrank castings have been found with cracks across the ears of the forked end.
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Installing a wood filler block to eliminate the possibility of a short circuit occurring between the battery terminal bases and the battery box.