Part Number: 114-420022-12 (Intercostal-frame-l/h-fwd fusela) Part Number: 114-420022-13 (Intercoastal) Part Number: 114-420022-14 (Intercostal-frame-l/h-fwd fusela) Part Number: 114-420022-15 (Channel-rain drain-airstair door) Part Number: 114-420022-21 (Stringer-l/h-no. 12-fwd fuselage) Part Number: 114-420022-5 (Splice band) Part Number: 114-420022-7 (Support) Part Number: 114-420022-8 (Intercostal) Part Number: 114-420022-9 (Intercostal-fwd cabin fuselage a) Part Number: 114-420023-3 (Intercostal-circuit breaker pane) Part Number: 114-420023-5 (Bracket-intercostal-circuit brea) Part Number: 114-420023-611 (Intercostal-circuit breaker pane) Part Number: 114-420023-9 (Support angle-intercostal-c.b. p) Part Number: 114-420024-11 (Doubler-r/h-blkhd assy-flight co)