As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION IN FWD CARGO BAY ON STR 27L BS 550-560. FOUND CORROSION ON STR 27L BS 550 TO 560 TO PENETRATE 100 PERCENT OF ORIGINAL .040 THICKNESS. CUT AND REMOVED STRINGER BS 549 TO BS 567 AND INSTALLED REPAIR MADE FROM BAC 1498-132 LOT 507364 AND BAC 1498-140 7075 F6 LOT 507364 IAW SRM 53-10-3 FIG. 2.