What was found
NR 4 STUB WING RIB CRACKED STA XOLDO 67.750 (MAJOR REPAIR). PERFORMED MAJOR REPAIR IAW JC EC-00364-001, DOUGLAS DWG NR 9753297. REMOVED CRACKED RIB IAW SRM 57-1-0 PG 1, SRM 51-1-21, SRM 51-1-20D. CLEANED, TREATED AND PRIMED AREA IAW SRM 51-1-8B. INSTALLED NEW RIB (P/N 9753297-4SP) IAW SRM 51-1-21, SRM 51-1-20D, SRM 51-3-1 (TORQUE). REFER TO JC EC-00364-001 (WO 1028) FOR RIB FABRICATION.