• Troubleshooting and repairing broken circuits in landing light wiring circuits 

• Replacing bulbs, reflectors, and lenses of position and landing lights 

• Replacing wheels for which no weight and balance computation is involved 

• Replacing any cowling not requiring removal of the propeller or disconnection of flight controls 

• Replacing or cleaning spark plugs and setting spark plug gap clearance 

• Replacing any hose connection, except hydraulic connections 

• Replacing prefabricated fuel lines 

• Cleaning or replacing fuel and oil strainers or filter elements 

• Replacing and servicing batteries 

• Replacing or adjusting nonstructural standard fasteners incidental to operations 

 • Removing, checking, and replacing magnetic chip detectors 

