Riveted F-1206A to the Baggage Ribs (F-1222-L and R and F-1223-L and R). Riveted the F-1206G-L and R to the F-1206A and F-1221-L and R Baggage Ribs.Dimpled holes on the "baggage ribs".Riveted "baggage ribs" to F-1206A.Dimpled ten nutplates and riveted them to F-1206A.