What was found
DURING A "C" CHECK, FWD CARGO COMP BULGE BS 600 STR 27 LT HAS BULGE IN CHANNEL AT FASTENER. REMOVED FASTENER FOR ACCESS STR 27LT BS 600 IAW B7272 SMR 51-30-2, CUT OUT DAMAGE SECTION OF STRINGER APPROX 13 FT AND FABRICATED ONE STR REPLACEMENT PART APPROX 13 INCH USING BACB 1498-142 PO NR 9001233 AND TWO SPLICES APPROX 10 INCH USING BACB 1498-131 PO NR 9001233 IAW B727 SRM 53-10-3 FIG 1 ALODINED AND PRIMED PARTS IAW B727 SRM 51-10-2 . INSTALLED REPAIR IAW B727 SRM 53-10-3 FIG 1.