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Inspection, cleaning and replacement of upper bearing in the oleo strut.
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How to detect cracks in the forward wing spar.
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Inspect to prevent further failures of engine exhaust system components.
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How to correct air leaks, which permit entrance of engine fumes into the cockpit, in the area of the fuselage right main landing gear fittings.
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Steps to preclude weld separations on the end of the landing gear shock strut assembly.
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Reports of fuel seepage into the space between the inner cabin trim and the outer fabric covering of the fuselage.
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Steps to prevent loss of engine oil and possible failure of the engine.
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Steps to prevent fire hazard in the charging circuit.
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To prevent accidental operation of the fuel shutoff valve during flight, a safety device must be installed on this control.
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Required inspection of the rear seat back hinge areas for cracking and excessive elongation of the rear seat hinge bolt hole and replacement of the rear seat frame if necessary.