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To eliminate instances of the nose ski coming off when operating on Federal Aircraft Works Model A-1500 skis, a supplementary safety device should be installed.
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Procedure for replacing the fuselage gas tank overflow line due to the imperial brass compression sleeve having necked the line causing it to fail.
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Listed airplanes may contain a control column shaft, P/N 415-52129, which is defective at its lower bearing fitting.
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Cracks have occurred in the belly skin at the rearmost rivet attaching the center section belly skin outer stiffeners to the belly skin.
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The possibility exists where the airplane's gyro vacuum/pressure system may become contaminated by loose particles originating from the air filter element.
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Inspecting for cracks at or near the weld beads at the attachment of the muffler outer shell to the end plates.
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The flight manual supplement titled "Supplement No. 2 to aircraft flight manual dated October 23, 1952" concerning the installation of the optional auxiliary fuel tank on affected model aircraft may contain erroneous information.
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Rigging and leveling procedures for Piper PA-14.
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To preclude the possibility of failure at the upper shock strut-drag tube area of the LPC 1012 series landing gear vees used in the STC-SA45RM taildragger modification, a second gusset has been added to the upper end of the streamline brace tube.
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Flexing of the lower aileron skin has resulted in fatigue cracks in the beam in the balance weight area.