Brief Description: Fabbed and installed side doublers
1) Marked line on stbd side of fuselage for added side doubler. 2) Positioned side doubler in place, and clamped. 3) Back drilled lower holes with #20 bit to hold doubler. 4) Center punched existing upper end holes and drilled #40 holes. 5) Clecoed rivet fan in place, and center punched new rivet holes on approx 20mm pitch. 6) Removed fan, drilled holes with #40 bit and clecoed. 7) Opened holes with #20 bit and clecoed. 8) Back drilled remaining holes with #210 bit, except gear fitting. 9) Back drilled gear fitting with #12 bit. 10) removed clecoes and doubler. 11) Deburred and cleaned. 12) Primed with zinc chromate primer. 13) Aftrer primer was set, replaced part and clecoed. 14) Removed AN3 bolts holding port gear fitting. 15) Drilled out all A5 rivets whose holes would be used for port side doubler. 16) Repeated steps 1)-13) for port side doubler.
