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The new Fuel Selector Valve, part number 11383-04, should be used for all service replacements and all new installations on Piper PA-18, PA-20 and PA-22 airplanes equipped with two wing fuel tanks.
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An improperly maintained three-position fuel selector valve could become difficult to rotate; this could result in damage to the selector lever mechanism and/or inability to switch tanks.
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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.
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Over time, a chafing condition resulting from the control cable sliding against the stationary pulley groove can cause the control cable to wear completely through, possibly resulting in loss of aileron control during flight.
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Rigging and leveling procedures for Piper PA-12.
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Due to recurring failures of the control cables, all cables should be carefully inspected at each section which passes either over a pulley or through a fairlead.
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How to prevent engine stoppage or malfunction due to the accumulation of water or other contaminants in the fuel system.
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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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Rib repair diagram for Piper J-3, J-4, and J-5 aircraft.
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General specifications of the Piper PA-11 Cub Special.