What was found
DURING ROUTINE C CHECK INSPECTION, FOUND AFT FUSELAGE FITTING HAS A CRACK LONGERON 17 LEFT STATION 1768.000. REMOVED CRACKED FITTING. CLEANED, TREATED AND PRIMED AREA. INSTALLED NEW FITTING IAW DC8 SRM 51-1-21, 51-1-20D, 51-3-0, SRM 51-1-8B, DC8 SRM 51-1-21, 51-1-20D, 51-3-0, AND DC8 SRM 51-3-1.