Trimmed CB-1004A cylinder #4 baffle to fit. Drilled CB-1004C brace to #30. Manufactured FF-713 spacer. Edge finished CB-705A cylinder #4 rear baffle and match drilled two bottom holes. Clecoed, match drilled and deburred CB-1007B aft right support bracket and vent DL-03 scat tube flange. Match drilled cylinder #3 baffle CB-708A to rear baffle CB-707A. Trimmed CB-708A cylinder #3 baffle to fit.