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 STATION 767 LBL 9 IN AFT CARGO COMPARTMENT FOUND CORRODED. CORROSION FOUND TO BE OUT OF LIMITS PER B 737-500 SRM 53-00-07 AND 53-60-07. REMOVED CORROSION AND ACCOMPLISHED REPAIR PER B 737-500 SRM 53-00-07 REPAIR 8.