What was found
DURING C-CHECK, MAIN CARGO COMPARTMENT 980, L-18R FRAME WITH A 1.75 INCH CRACK. REMOVED AND REPLACED AREA, FABRICATED FILLERS ANGLES AND DOUBLER IAW AS ELEVEN INC DRAWING AS11451 SH 1 & 2, DATED 09/10/02; PRIMED FILLERS, ANGLES & DOUBLER IAW DC-8 SRM 51-1-/ AND INSTALLED FILLERS, ANGLES AND DOUBLER IAW AS ELEVEN INC DRAWING AS11451 SH 1 & 2, DATE 09/10/02; ISSUED FAA FORM 8110-3.