Brief Description: Removed port top front spar stiffner
1. James took an airhammer punch, and turned it down on his lathe to slightly less than 3/16 inch. 2. Center punched rivet heads holding front and back stiffners to port wing spar top. 3. Drilled out rivet heads. 4. Mounted the punch modified by James, and drove rivets back through holes, freeing stiffners. 5. Removed front stiffner.
