Made F793 angle x2 for NCA Vents. Trimmed SV2 and SV5 L and R to fit Instrument panel. Drilled holes and mounted SV2, SV5 and F793 L and R. Prep surfaces, mixed Proseal and mounted SV1 air ducts to fuselage. Fabricated F741A L and R Tunnel cover support Fab. and bent F741B Tunnel Cover Dimple F741B and trim to fit Countersink F741A L and R Cs4-4 rivet Tunnel assembly and install