Brief Description: Stiffeners and start spar to skin
Riveted last 32 stiffener rivets. removed counterbalance rib assembly from spar. Over drilled holes in two rivets and dropped counterbalance assembly resulting in two oblong holes and one bent corner of counterbalance skin. New parts on order (with rivets) total $37. Started riveting sin to top of spar, four rivets in on needed to be drilled out. Holes in spar seem slightly oversize (??). stopping before causing any more mistakes!
