Brief Description: Continue riveting mid side skins & re-countersink
Continued to rivet mid side skins into longerons and F-1005C Bulkhead side channels. I noticed the skin dimples were not sitting fully flush in the bulkhead side channels and upper and against the 1046 l/r mid fuselage longeron.
Decided to check countersink depths in longerons/side channels and though both would accept a rivet flush, decided to countersink longeron and side channels deeper. Improved fushness b/w skin dimple and longer / side channels. Slighlty more countersinking required before going back to riveting the skins. This took a long time to get right and fully seat the dimple.