What was found
DURING ROUTINE C-CHECK FOUND AFT CARGO COMPARTMENT STATION 1120 AND 1160 PAN ABOVE NUMBER 3 CARGO DOOR IS CRACKED AT BOTH ENDS. REMOVED FASTENERS AS NEEDED TO REMOVE PAN. REMOVED DAMAGE. FABRICATED DOUBLERS, LOCATED DRILLED, TRIMMED, DEBURRED, TREATED, PRIMED, INSTALLED DOUBLERS AND NEW FASTENERS. INSTALLED PAN ABOVE NUMBER 3 CARGO DOOR IAW DC8 SRM 55-2-0, 51-3-0, 53-11-2, 51-1-8, AND 51-1-21.