What was found
DURING ROUTINE C CHECK INSPECTION FOUND MAIN CARGO COMPARTMENT FORWARD INTERCOSTAL CRACKED 3 INCHES AT STATION 902.000 LONGERON 19 RIGHT. REMOVED CRACKED INTERCOSTAL IAW DC8 SRM 51-1-20D. FABRICATED NEW INTERCOSTAL IAW ATI REPAIR SPECIFICATION NUMBER 2003-05 AND DOUGLAS DRAWING NUMBER 3779498. PERFORMED NDT INSPECTION IAW DC8 NDT SPM PART 08-00-02 TO 07. CLEANED, TREATED AND PRIMED AREA AND NEW INTERCOSTAL IAW DC8 SRM 51-1-8B. INSTALLED NEW INTERCOSTAL SUPPORT IAW DC8 SRM 51-1-20D, DC8 SRM 51-3-1.