(5) replacing defective safety wiring or cotter keys; (6) lubrication not requiring disassembly other than removal of non-structural items   

        such as cover plates, cowlings, and fairings; (7) making simple fabric patches not requiring rib stitching or the removal of structural 

        parts or control surfaces;

(8) replenishing hydraulic fluid in the hydraulic reservoir; (9) refinishing decorative coating of fuselage, wings, tail group surfaces (excluding 
        balanced control surfaces), fairings, cowling, landing gear, cabin, or cockpit interior
        when removal or disassembly of any primary structure or operating system is not 

        required; (10) applying preservative or protective material to components where no disassembly 
        of any primary structure or operating system is involved and where such coating is

        not prohibited or is not contrary to good practices; (11) repairing upholstery and decorative furnishings of the cabin or cockpit when the 
        repairing does not require disassembly of any primary structure or operating system 

        or interfere with an operating system or affect primary structure of the aircraft. (12) making small simple repairs to fairings, non-structural cover plates, cowlings, and 
        small patches and reinforcements not changing the contour so as to interfere with 

        proper airflow; (13) replacing side windows where that work does not interfere with the structure of any 

        operating system such as controls, electrical equipment, etc.;

(14) replacing safety belts; (15) replacing seats or seat parts with replacement parts approved for the aircraft, not 

        involving disassembly of any primary structure or operating system;

(16) troubleshooting and repairing broken circuits in landing light wiring circuits;

(17) replacing bulbs, reflectors, and lenses of position and landing lights;

(18) replacing wheels and skis where no weight and balance computation is involved; (19) replacing any cowling not requiring removal of the propeller or disconnection of 

          flight controls;

(20) replacing or cleaning spark plugs and setting of spark plug gap clearance;

(21) replacing any hose connection except hydraulic connections;

(22) replacing prefabricated fuel lines;

(23) cleaning fuel and oil strainers;

(24)  replacing and servicing batteries

(25) replacement or adjustment of non-structural fasteners incidental to operations. (26) the installation of anti-misfueling devices to reduce the diameter of fuel tank filler  
         openings provided the specific device has been made a part of the aircraft type 
         certificate data by the aircraft manufacturer, the manufacturer has provided 
         appropriately approved instructions acceptable to the Authority for the installation of 
          the specific device, and installation does not involve the disassembly of the existing 

          filler opening.
　
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