As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION IS OUT OF LIMITS ON FLOOR STRINGER UPPER SURFACE ON STA 1500 TO STA 1520 S29L AT AFT CARGO COMPARTMENT. CORROSION LEVEL 2, FLOOR STRINGER UPPER SURFACE ON BS 1500 - 1520, S29L AT AFT CARGO COMPARTMENT WAS REPAIRED IAW SRM 53-00-53-2R PROCEDURE 1, REPAIR 1.