As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(LOG 0661850) CORROSION ON FWD CARGO BAY AFT SHIELD AT STA 500 STR 500A 25R WL 168. REMOVED AND REPLACED FWD CARGO BAY AFT SHIELD FROM STA 492.5 TO STA 500A STR 25R WL 168. INSTALLED NEW SHIELD IAW B737-900 SRM 51-40-02-0G AND DWG 143A0080.