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Inspection of the hinge assembly and correction of rivet fatigue.
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Recommended parts for reinforcing the landing gear on all of the PA-12 airplanes in the field.
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A kit is now available to provide replacement of the standard PA-12 Carburetor Air Box with a Ram-type Box which improves the efficiency of the engine operation and a higher rate of climb.
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Recommended modifications for winter operations of Piper J-3, PA-11 and PA-12 aircraft.
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Due to 8-36 Type A tie rod nipples becoming impossible to obtain at a reasonable price, we have made arrangements whereby a conversion can be made using 10-32 instead of 8-36 tie rods and nipples.
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Due to wear at the fairleads of the lower aileron cables in the fuselage, we suggest replacing these fairleads with pulleys.
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Procedure for examining both left and right Univair hydrasorb (U486-604-1) for any possible cracks or irregularities.
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Steps to preclude failure of the U12694 series throttle cables, which could cause loss of full travel of the throttle control.
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To provide inspection access for the lift strut attachment fitting on the forward side of the front spar and to provide details for the inspection of wing components for corrosion.
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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.