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To prevent possible locking of aileron system at full throw, install carry-through bar between the ends of the aileron control chain.
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Remove small baffle LAC P/N 181112 to allow for more accurate airspeed readings. With baffle installed readings can be incorrect by as much as +15 mph.
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Inspect front and rear control stick socket castings for cracks at the ears to which the push-pull tube attaches.
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Replacement of piston pin and plug assemblies to preclude the possibility of disintegration of the piston pin plugs, failure of pistons, and complete engine failure.
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Steps to prevent exhaust system cracking.
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Due to the possibility of a defective fitting on the upper end of the control column shaft in the aileron control system, the system should be tested to a load of 94 pounds.
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Prevention of a degradation of the induction system icing protection or partial engine power loss.
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Replacing the original muffler on the serial numbers listed above with a new muffler.
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Reinforce attachment of the safety belt brackets to the skin of the fuselage.
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Extreme surface corrosion has been found to exist inside the fuselage spar carry through structures of Luscombe Series 8 aircraft, particularly in those airplanes located near coastal areas.