As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FWD CARGO A/C DISTRIBUTION BAY LT FLOOR STR-26L BADLY CORRODED APPROXIMATELY FS-720F-740. JUST O/B OF DUCT. REMOVED CORRODED SECTION OF STRINGER AT STA 720C TO 740 AND SPLICED IN A NEW SECTION OF STRINGER ON 26L IAW 727 SRM-53-10-3 FIG 1, STRINGER ORIG P/N#65-56236-18.