What was found
DURING ROUTINE C CHECK INSPECTION, RT RUDDER EXTERNAL SKIN CORRODED, STA ZR 110.750. PERFORMED MAJOR REPAIR IAW DC-8 SRM 55-6-1 FIG 1. REMOVED CORROSION IAW DC-8 SRM 51-1-8 PAGES 17-18. FOUND OUT OF LIMITS IAW DC-8 SRM 57-2-0 PAGE 12. REMOVED CORRODED PANEL PLATING IAW DC-8 SRM 55-1-0 PAGE 1, DC-8 SRM 51-1-21. FABRICATED NEW PLATING & BONDED FINGER DOUBLER IAW DC-8 SRM 55-6-1 FIG 1 ITEM “A”. BONDED BOTH PARTS WITH HYSOL IAW DC-8 SRM 51-1-9. CLEANED, TREATED AND PRIMED AREA, INNER FACE OF NEW PLATING IAW DC-8 SRM 51-1-8B. APPLIED SEALANT TO FAYING SURFACES IAW DC-8 SRM 51-1-11. INSTALLED NEW PANEL PLATING IAW DC-8 SRM 51-1-21.