What was found
DURING ROUTINE C CHECK INSPECTION, FOUND MAIN CARGO COMPARTMENT AFT BATHTUB FITTING CRACKED STATION 902.100 LONGERON 9 LEFT. REPLACED AFT BATHTUB FITTING ON MAIN CARGO COMPARTMENT AT STATION 902.100 LONGERON 9 LEFT IAW DC-8 SRM 51-1-20D, DC-8 SRM 51-1-23, DC-8 SRM 51-3-1.