As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FRAME AT BILGE AREA AT STA 767 RBL 10" IN AFT CARGO FOUND CORRODED. CORROSION FOUND TO BE OUT OF LIMITS PER B737-500 SRM 53-00-07 & 53-60-07. REMOVED CORROSION PER B737-500 SRM 53-00-07, ACCOMPLISHED REPAIR PER 13-737-500 SRM 53-00-07 REPAIR 8.