Brief Description: Rami comm antenna backing plate
3/21/19 3.2 Hours Made sure plate was square with L angle rivet line. Enlarged hole in fuselage skin for coax connector. Back drilled #40 holes into skin through backing plate, clecoing as I went. Removed plate from fuselage and, using a fly-cutter, cut three 3 3/4" lighting holes. Deburred. Applied Cortec to plate.
3/22/19 2..4 Hours Clecoed comm antenna backing plate into place to verify clearance. Removed and clecoed on top of fuselage. Back drilled to #30l. Removed. Norma deburred plate while I crimped fuse holder to rectifier wires together and heat shrinked. Deburred rivet holes in fuselage skin. Again clecoed plate into place and riveted with A4 rivets.