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Mandatory replacement of airspeed indicators.
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To preclude the possibility of in-flight fires, the following inspection and rework is necessary to eliminate combustible material and possible ignition sources from the area aft of the firewall underneath the forward cabin floor.
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Inspection of clearance between the pilot's seat and the master switch wires.
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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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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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Lengthening of the seat guide in order to effect a more positive engagement of the seat at the front attaching point.
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Inspection of the windshield to determine whether or not cracks have appeared due to improperly adjusted windshield support studs.
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Maintaining an adequate seal between the baffle and the cowl, in order to insure proper flow of cooling air.
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This letter announces the approval of the eight gallon auxiliary fuel tank installation in the PA-22 "135" and PA-22 "150" airplanes, serials 22-534 and up.
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Information for removing the spring from the brake system.