Removed per-drilled side and aft skirts. Modified LH track for proper clearance. Deburred all edges and countersunk. Fitment of C-769 dog house to rear of canopy between both aft skirts. Drilled additional holes in lower skirt, prep and painted underside of aft skirt, used alodine for corrosion preventive before top coat. This logbook entry is also for date: 12/30/2012.