What was found
DURING C CHECK INSPECTION, LT RUDDER EXTERNAL SKIN CORRODED, STA ZR 257.906. PERFORMED MAJOR REPAIR IAW DC8 SRM 55-6-1. REMOVED CORROSION IAW DC8 SRM 51-1-8 PG 17-18. FOUND OUT OF LIMITS IAW DC8 SRM 55-2-0 PG 12. REMOVED CORRODED PLATING IAW DC8 SRM 55-1-0, DC8 SRM 51-1-21. FABRICATED NEW PLATING + BONDED FINGER DOUBLER (AL2024T30 0.016) IAW DC8 SRM 55-6-1 FIG 1 ITEM “A”. BONDED BOTH PARTS WITH HYSOL IAW DC8 SRM 51-1-9. CLEANED, TREATED AND PRIMED AREA + NEW PANEL PLATING IAW DC8 SRM 51-1-8B. APPLIED SEALANT TO FAYING SURFACES IAW DC8 SRM 51-1-11. INSTALLED NEW PANEL PLATING IAW DC8 SRM 51-1-21. REFER TO NR 2849 FOR BALANCING.