What was found
RT WING CTR LE LWR EXTERNAL SKIN HAS AN INTERIM REPAIR AT STA XFS 422.750 (MAJOR REPAIR). PERFORMED MAJOR REPAIR IAW FAA FORM 8110-3 DATED 07-12-06, EO NR AST060702 DATED 07-10-06. REMOVED FASTENERS FROM REPAIR AREA AND EXISTING DOUBLER IAW SRM 51-1-20D, SRM 51-1-21. CUT OUT DAMAGED SECTION IAW EO NR AST060702. PERFORMED NDT INSP IAW NDT SPM PART 06-10-01-001. NO CRACK FOUND. FABRICATED EXTERNAL REPAIR DOUBLER (AL7075T6 0.071") AND FILLER (7075T6 0.063") IAW EO NR AST060702. CLEANED, TREATED AND PRIMED AREA AND REPAIR PARTS IAW SRM 51-1-8B. APPLIED SEALANT TO FAYING SURFACES IAW SRM 51-1-11. INSTALLED REPAIR PARTS IAW EO NR AST060702, SRM 51-1-21, SRM 51-1-20D, SRM 51-3-1.