Brief Description: Wing Rib Prep and Left Main Rib Attachment
Finished straightening and fluting main ribs. Trimmed forward flanges as called out in Steps 2 and 3. Deburred edges and holes of all main ribs. Match drilled, deburred and attached W-1210B-L&R doublers to main ribs as per Steps 4, 5, 8, and 9. Match drilled, deburred W-1216 hinge bracket assemblies and W-1216B hinge ribs to 4 main ribs as per Steps 6 and 7. Attached all main ribs to W-1206-L spar assembly as per Steps 1-6, Section 15-04.
