Set up left wheel and spacer block for fairing work. Refined fit of left aft wheel fairing around gear leg and tire. Laid out and drilled lower front rivet hole for U-808 bracket; match drilled remaining three holes with angle drill. Used magnets to layout and drill pilot holes for U-807-L bracket. Retrimmed left forward wheel fairing for tire clearance; laid out and drilled pilot holes. Checked alignment with laser on centerline, from back and front; all good.