What was found
ELONGATED HOLES IN UPPER PLATING OF LEFT WING CTR L/E STA XS 520.168. PERFORMED MAJOR REPAIR IAW SRM 57-1-0 PG 1, SRM 57-3-3 PG 12. REMOVED UPPER PLATING WITH ELONGATED HOLES IAW SRM 51-1-21 PG 1, SRM 51-3-0 PG 1, SRM 51-1-20D PG 21. FABRICATED NEW PLATING IAW SRM 57-3-3 PG 12. CLEANED, TREATED AND PRIMED INNER FACE OF NEW PLATING IAW SRM 51-1-8B. INSTALLED NEW PLATING IAW SRM 51-1-21 PG 1, SRM 51-3-0 PG 1, SRM 51-1-20D PG 9. REFER TO N/R 0184 FOR REMOVAL/REINSTALLATION.