Taylorcraft Model A Series, B Series, F-19, F-21, F-21A

Wing separation from the airplane after the wing strut attach fitting failed due to corrosion.

Inspection of the left and right wing front and aft lift struts for cracks and corrosion.

Steps to prevent loss of engine oil and possible failure of the engine.

Steps to prevent fire hazard in the charging circuit.

Inspect the two aileron stop pins (Taylorcraft P/N A-235) of the aileron control assembly.

Inspect engine mount bolts, spacer, hose, bushings, cup washers, nut, pin, and engine mount seats for damage.

To prevent accidental operation of the fuel shutoff valve during flight, a safety device must be installed on this control.

Reports of interference between the elevator horn bolt and the fin cover plate apparently caused by improper field installation of the cover plate through bolt.

Inspect wing strut attachment fittings on lower fuselage longerons for cracks or evidence of poor weld.

Examine the two flexible fuel lines to determine whether the hose inner liner has collapsed or failed thus causing a restriction to the flow of fuel.