A, 114, 116 Intercostal Assy, - BSTA 1223 to BSTA 1243 W/L244.39 E.O: 106 Intercostal Assy, - BSTA 1223 to BSTA 1243 W/L234.06 E.0: 105 Chapter.53 FUSELAGESTRUCTURE A530001 B Ballast Weight Instillaticin E.0: 100, 102 VA530003 C Ballast geight, Support Structure Assy. E.O.: 002,100 — VA530004 NC Ballast