What was found
DURING ROUTINE C CHECK INSPECTION, FOUND FUSELAGE TAIL SECTION LONGERON 17 LEFT HAND, WITH A CRACK AT STATION 1766.000 TO STATION 1794.000. REMOVED CRACKED LONGERON. CLEANED, TREATED AND PRIMED AREA. INSTALLED NEW LONGERON IAW DC8 SRM 53-5-1 PAGE 22 FIGURE 7 SHEET 1 ITEM "B", DC8 SRM 53-1-0 PAGE 1, DC8 SRM 51-1-20D, DC8 SRM 51-1-8B, DC8 SRM 51-2-0 PAGE 39 FIGURE 50 SHEET 37, DC8 SRM 51-1-21, AND DC8 SRM 51-3-1.