Aligned and drilled 15 of the upper cowling holes. Enlarged holes to 15/32" and installed stainless steel grommets. Installed and adjusted 9 fixed receptacles. Spaced and match drilled 8 brackets and one spacer for lower right cowling. Removed, deburred and countersunk lower right brackets. Rivet all brackets for lower right side. Rivet all 6 floating receptacles. Installed and adjusted the 6 floating receptacle screws.