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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.
				 
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List of STC'd parts from F. Atlee Dodge Aircraft Services, LLC.
				 
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Instructions to prevent possible leakage of carbon monoxide into the cabin heater system in airplanes utilizing Avcon Industries, Inc., kits with defective mufflers.
				 
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Steps to prevent weakening of the fuselage steel tubing cluster in the area of the rear wing spar attachment due to corrosion of the fuselage tubing.
				 
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In keeping with the many requests we have had for rudder pedal installations in the Ercoupe, we are now adding SK-21 Rudder Pedal Kit to our long list of optional equipment and accessories.
				 
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Rigging and leveling procedure for Piper PA-20 airplanes.
				 
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Cross reference chart of old Van Sickle part numbers to modern Cleveland mechanical brake and wheel part numbers.
				 
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Directions to prevent failure of the upper wing front spar strut fittings, P/N 2-1976, that could result
in an in-flight separation of the wing.
				 
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Proper maintenance and inspection procedures of exhaust systems and heat exchangers for the listed models.
				 
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Procedure for inspection of the wing center section to establish the condition of the center section structure.