What was found
DURING ROUTINE C CHECK INSPECTION, LT WING IB AILERON UPPER PLATING CRACKED 1, XA 502.000 PERFORMED MAJOR REPAIR IAW SRM 57-7-0 FIG 1, SRM 57-8-1 FIG 1, EO SEMAN NR 20051336. REMOVED DAMAGED PLATING IAW SRM 51-1-21. FABRICATED NEW PLATING (AL7075T6 0.040) IAW SRM 57-8-1 FIG 1 ITEM R. CLEANED, TREATED, PRIMED AREA + NEW PLATING INTERNAL PART IAW SRM 51-1-8B. APPLIED SEALANT TO FAYING SURFACE IAW SRM 51-1-11 PG 9. INSTALLED NEW PLATING IAW SRM 51-1-21, SRM 51-3-0, SRM 51-3-1. FOR WEIGHT AND BALANCE SEE N/R 2815.