As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(LOG 0689882) FWD CARGO COMPARTMENT INSTALLED DOUBLER BETWEEN STA 500C-500D BETWEEN S-27R TO S-27L HAS EVIDENCE OF CORROSION. REMOVED AND REPLACED FWD CARGO COMPARTMENT DOUBLER BETWEEN STA 500C-500D AND BETWEEN S-27R TO S-27L. IAW B737-900 SRM 51-40-02-0G, DWG NO. P18087-21706 REV C.