Finished second main gear fairing. Drilled hinge, deburred, cleaned, trim hinge, rivet hinge, bend hinge pin, make hole for safety wire. Worked on "forest of tabs" - removed a nutplate on the firewall and drilled to 5/15" for grounding bolt. Ran a #4 battery cable to subpanel and made a mount location for the forest of tabs . removed paint back to bare aluminum at bolt location and back of pad. Checked in with Stein and Flightline.