As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(LOG 0423793) AFT CARGO COMPARTMENT, R/H ZEE CHANNEL CORRODED AT STA 867. REMOVED AND REPLACED R/H ZEE CHANNEL STA 867 TO STA 887 IAW B737 SRM51-40-02. B737 AMM 51-21-72-370-801, B737 AMM 51-21-41 PAGE BLOCK 701 AND BOEING DWG # 146A7502 REV - B.