Brief Description: Drill Right Aileron Counterbalance
21-2: Step 3: Cleco bottom Right Nose Skin to Aileron Ribs, insert Counterbalance and cleco top Nose Skin. Check and adjust Counterbalance alignment with end ribs using small mallet. Step 4: Match Drill Counterbalance leading edge holes with #40 drill. Had one walk on be and elongated hole but will still be ok. Final-drill same holes with #30 drill. Step 5: Removed bottom clecos from Nose Rib to allow back drilling Rib to Counterbalance on both ends. Marked top end hole with #40 drill bit. Disassembled all and final drilled three back counterbalance holes with #27 bit. Used 1/8 in Ezbur bit to debur inside and outside of all Counterbalance holes.
Need to debur remaining parts of both left and right Aileron