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Aircraft equipped with either a single or dual fuel quantity gauge installation must have the placard installed.
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Reports of the vacuum pump splined coupling on Airborne Mechanisms Vacuum Pumps Models 113A5 and 113A8 may fail prematurely as a result of over-curing.
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Inspecting for weld separation where the rudder pedal cable attachment fitting is welded to the rudder pedal.
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Modification of the cabin heat box plate to prevent interference with the movement of the safety belt attaching link.
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The tail brace clevises and bushings on the aircraft indicated by the above serial numbers are to be replaced.
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Reports that the front seat center safety belts are showing evidence of deterioration due to heat from the rear seat heater outlet.
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Reported cases of failure of a tail brace wire (10074-02 or 10074-03) on the above listed airplanes.
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Inspection of control cables and replacement of 1/8” 7 x 19 flexible stainless steel control cables on foreign registered airplanes.
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Mandatory replacement of 1/8 - 7 x 19 flexible stainless steel control cables to prevent cracked nicopress sleeves.
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How to fix difficulties with the fabric where it attaches to the fuselage under the windshield top and/or directly over the rear edge of the windshield top attachment channel.