Date: 12/31/1969 Views: 5074
Date: 11/29/1999 Views: 4616
Date: 12/31/1969 Views: 3923
Date: 08/23/2023 Views: 765915
This is rib at root of aileron, (one rib inboard of middle of aileron rib), you can see there is a space below ruler, this is what it should be to allow foam on top skin to sit properly. Y9-06-16