What was found
DURING A ROUTINE C CHECK INSPECTION, FOUND RT WING NR 4 STUB WING INTERNAL RIB CRACKED 3" XS 520.468. MAJOR REPAIR ACCOMPLISHED REMOVAL OF CRACKED RIB IAW DC8 SRM 51-1-20D PAGE 21 DC8 SRM 51-3-0 PG 1. FABRICATED NEW RIB IAW REPAIR SPEC NR 2003-05 DWG 9753297 DC8 SRM 51-1-1 PG 1. PERFORMED HEAT TREATMENT IAW DC8 SRM 51-1-1 PG 1, 13, 17 DPS7.00-1 REV. PERFORMED NDT INSPECTION IAW DC8 NDT SPM PART 00-00-02/07. CLEANED, TREATED AND PRIMED AREA + NEW RIB IAW DC8 SRM 51-1-8B. INSTALLED NEW RIB WITH FASTENERS IAW DC8 SRM 51-3-0 PG 1 DC8 SRM 51-1-21 PG1 DC8 SRM 51-1-20D PG 9.