Date:	9-28-2012
Number of Hours:	3.50
Brief Description:	Install Machined Tail Ribs
Drilled, dimpled, deburred and riveted SC31055-003 top and bottom on outboard rib. Countersunk outboard rib to accept dimple in SC31055-003. Trimmed and riveted nose ribs numbers1 and 12. Tomorrow: Install top and bottom SC31055-001 on inboard michined rib, begin trammeling wing.