1. Reinstalled 6DS21-5, control tube. Bell crank 6DS1-4 would not fit on front end, due to interference with 6ZU4-1 and 6ZU4-2, aileron control stop and support. 2. Removed 6ZU4-1 and 6ZU4-2. 3. Increased depth of cutout. 4. Re-installed 6ZU4-1 and 6ZU4-2. 5. Control tube now clears properly. 6. Temporarily installed bell crank 6DS1-4, and slipped appropriately sized AN3 bolt in place.
