What was found
LT WING O/B AILERON LWR SKIN RIVETS SHEARED, XA 722 - XA 752 (PLATING DAMAGED). PERFORMED MAJOR REPAIR IAW SRM 57-1-0 PG 1, SRM 57-8-1 FIG 4, DOUGLAS DWG 5763133. REMOVED DAMAGED PANEL PLATING IAW SRM 57-1-0 PG 1, SRM 51-1-21. FABRICATED NEW PANEL AND BONDED FINGER DOUBLER IAW SRM 57-8-1 FIG 4. BONDED REPAIR PARTS IAW SRM 51-1-9. CLEANED, TREATED AND PRIMED NEW PANEL PLATING INNER FACE IAW SRM 51-1-8B. APPLIED SEALANT TO FAYING SURFACES IAW SRM 51-1-11. INSTALLED NEW PANEL PLATING IAW SRM 51-1-21. PERFORMED LT OUTBOARD AILERON BALANCING IAW SRM 51-4-3 PG 1-3. FOUND WITHIN LIMITS.