What was found
DURING ROUTINE C-CHECK INSP, FOUND MAIN CARGO COMPARTMENT AFT FITTING CRACKED AT STA 781.000, LONGERON 19 & 20 RT. REMOVED CORROSION AND FOUND OUT OF LIMITS. REMOVED CRACKED FITTING. CLEANED, TREATED, AND PRIMED AERA. INSTALLED NEW FITTING IAW SRM 51-1-8, SRM 53-2-0, SRM 51-1-20D, SRM 51-1-8B, SRM 51-1-20D, SRM 51-1-21, AND SRM 51-3-1.