We’ve now attached the new support member via plug-welding – using the same holes created by drilling the spot-welds to remove the old support member. Note the area in the foreground where some small pinholes were filled and ground, and a quarter-sized patch was also needed. Also note the spots of rust on the outer skin – these are from sweat from the day before. Sweat is essentially salt-water, and starts to rust whatever bare metal it hits literally overnight – as seen here.