What was found
DURING C CHECK INSPECTION, NR 4 PYLON UPPER PLATING HAS ELONGATED HOLES AT STA YN 254 S. PERFORMED MAJOR REPAIR IAW FAA FORM 8110-3 NR 05471 DATED 10-18-05, SEMAN DWG # ED-4084 DATED 10-11-05 AND EO SEMAN # 20051341 DATED 10-18-05. REMOVED FASTENERS IAW DC8 SRM 51-1-21, DC8 SRM 51-3-0. REMOVED DAMAGED SECTION IAW SEMAN DWG # ED-4084. NDT INSPECTED REWORKED AREA IAW DC8 NDT SPM PART 06-10-01-001. NEITHER CRACK NOR CORROSION FOUND. FAB`D (02EA) EXTERNAL REPAIR DOUBLERS (AL7075T6 0.100) + (02EA) FILLERS (AL7075T6 0.100) + FILLER (AL7075T6 0.032) IAW SEMAN DWG # ED-4084. CLEANED, TREATED, PRIMED FILLERS + INNER SIDE OF REPAIR DOUBLERS IAW DC8 SRM 51-1-8B. APPLIED PRC SEALANT TO FAYING SURFACES IAW DC8 SRM 51