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Inspection of forward wing spar caps to detect cracks or other damage.
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Inspection of fuel tank inlet rubber seal and modification of fuel caps to prevent inadequate fuel venting.
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Inspect the fittings at each end of the elevator connector tube to determine if the end fittings are riveted to the tube with two rivets 90 degrees apart.
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Inspect the front and rear canvas seat installations and note the condition of canvas, eyelets, and lacing.
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Steps to prevent the possibility of a catastrophic accident in the event of tail brace wire failure.
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Inspection of aileron hinge brackets to false spar attachment fittings for cracks.
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Replacement of rivets to avoid arcing between the fuse clip and the wire attachment plate on the fuse block.
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To prevent possible malfunctioning of the starter solenoid and damage to the starter cable installation, the following changes shall be accomplished as soon as practicable.
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Eliminate combustible material and possible ignition sources from the area aft of the firewall, underneath the forward cabin floor, to preclude possibility of inflight fires.
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How to determine if the lower longerons are made from 1025 steel or the approved 4130 steel. To be accomplished before further flight.