Completed step 1 page 23-07 - Cut apart the F-1086 Vent Bracket into two F-1086A and two F-1086B Vent Brackets as shown in Figure 1. Cut apart the F-1087 Vent Slide into two F-1087A and two F-1087B Vent Slides as shown in Figure 2. Deburred and prepped parts. Also deburred and prepped parts F-1092 vent door doublers and F-1093 vent doors. Temporarily clecoed the assemblies together to check the fit and clearances.