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Reports of binding in the stabilizer rear support bearing and, as the link tube at the adjustment yoke is of similar construction, there is a possibility that the same difficulty may occur there.
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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.
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Information on replacing an existing diaphragm suspected to be defective in master brake cylinders installed in listed Piper aircraft models.
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Installing an additional tailpipe brace to eliminate possible cracking of the muffler around the tailpipe outlet.
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Modifying applicable aircraft to incorporate the new heavier type clevises currently used in the PA-18 "125" airplanes.
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There is now available a kit number 752-186 to install the auxiliary fuel line in the Piper Pacer "115", "125" and "135".
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Solution to water freezing in the oleo housing, which causes the nose wheel to become inoperative in regards to directional steering both on the ground and in the air.
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It is recommended that a #6 x 3/8" Parker Screw be installed in the rudder pedal tube clamp of the right hand rudder pedals to eliminate the possible rotation of the rudder pedal cross tube on the torque tube arm.
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A recent design change to the fuel tank caps has created a possible hazard to the venting system and it is therefore requested that the caps be reworked in the following manner.
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A synthetic liner used as a hose connection in the Engine Oil Breather System has been found to separate from the hose structure, interfering with proper engine ventilation and leading to oil leaks.