What was found
DURING ROUTINE C CHECK INSPECTION FOUND FUSELAGE LONGERON 17 RIGHT CRACKED ½ INCH, AT STATION 1620.000. PERFORMED MAJOR REPAIR IAW DC8 SRM 53-5-2 FIGURE 5, SHEET 1. REMOVED DAMAGED LONGERON IAW DC8 SRM 53-1-0 PAGE 1, DC8 SRM 51-1-21, DC8 SRM 51-1-20D. FABRICATED NEW LONGERON, AND SPLICES, LOCATED, DRILLED, TRIMMED, CLEANED, TREATED AND PRIMED AREA AND NEW LONGERON IAW DC8 SRM 51-1-8B. INSTALLED NEW LONGERON. EXTRUSION P/N 51616757 IAW DC8 SRM 53-5-2 FIGURE 5 SHEET 1, ITEM B, DC8 SRM 51-2-0 FIG 50 SHEET 37, DC8 SRM 51-1-21, DC8 SRM 51-3-0, DC8 SRM 51-1-20D, DC8 SRM 51-3-1.