Completed step 2 – riveted the F-1237E seatback hinges to the F-1225-L&R seat floors using the rivets per Figure 1. Per step 4 – dimpled the six nutplates - ready to install. Completed step 5 – separated the F-1253 seat floor supports per Figure 2. Painted the F-1225- R&L floor assemblies and F-1253-L&R seat floor supports. Completed step 9 – installed snap bushings SB625-8 per Figure 3.