What was found
RT WING UPPER SKIN CRACKED 1 1/4" AT STA XCW 69.500 (MAJOR REPAIR). PERFORMED MAJOR REPAIR IAW SRM 57-2-1 FIG 20 SHEET 1. REMOVED FASTENERS IAW SRM 51-1-21, SRM 51-1-20D. CUT OUT DAMAGED SECTION IAW SRM 57-2-1 FIG 20 SHEET 1. PERFORMED NDT INSPECTION IAW DC8 NDT SPM PART 08-00-01 TO 07. NO CRACK NOR CORROSION FOUND. ENCLOSED SMN FORM 242-4. FABRICATED REPAIR DOUBLER (AL7075T6 0.160") REPAIR TRIPLER (AL7075T6 0.125") AND FILLER (AL7075"0" 0.312") IAW SRM 57-3-3 FIG 13 ITEM "L", SRM 57-2-1 FIG 20 SHEET 1, SRM 51-1-4. HEAT TREATED FILLER FROM 7075"0" TO 7075T651 IAW SRM 51-1-1 PG 1, 13, 17. CLEANED AREA AND APPLIED POLYURETHANE TOP COATING AND REPAIR PARTS IAW SRM 51-1-12. INSTALLED REPAIR PARTS IAW SRM