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To prevent the oleo strut assembly from separating in flight, replace the fiber piston with aluminum pistons.
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Methods for inspection of control surfaces for cracks and excessive play and checking controls for excessive movement.
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Replacing fuselage tubes beneath the seats and floorboards due to damage.
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Information about certain features in the electrical wiring system of the Piper J-4 aircraft which the Civil Aviation Authority feels should be corrected.
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Parts list for Stinson 108-3901001 Float Fitting Kit.
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Examine the two flexible fuel lines to determine whether the hose inner liner has collapsed or failed thus causing a restriction to the flow of fuel.
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Electrolyte leaking from the battery box will cause corrosion of structural members of the aircraft and deterioration of the baggage compartment. This bulletin provides instructions for modifying the battery box.
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Modification to prevent the tailwheel from hitting the rudder.
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Installation of Muffler Support Kit No. 756-803, and Tailpipe Support Kit No. 756-804, will be instrumental in extending the service life of the exhaust system.
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The method now used for longitudinal trimming, in the present Ercoupe airplane, was adopted only after very careful consideration and with the thought that the safety quality of the plane would be definitely improved.