Title: 6T2-1,2,3,6 - Final up-drilling to open up some of the holes to
Drilled out 6T1-1 end pieces to A4 size (was at A3).
Drilled out rib ends to A5 (was A4).
Drilled out 6T2-1, 6T2-2, 6T2-3, 6T2-6 holes to A5.
A3 = silver cleco (#40 drill bit)
A4 = gold cleco (#30 drill bit)
A5 = black cleco (#20 drill bit)
Yes, I checked for burrs and took appropriate action.