As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(LOG 0524998) CORROSION AT AFT CARGO BAY ZEE CHANNEL STA 727C - STA 847 STR 25L WL 158. REMOVE AND REPLACED L/H ZEE CHANNEL STA 727 TO STA 847 IAW B737 SRM 51-40-02, B737 SRM 51-40-05, B737 SRM 53-00-53-2R PROCEDURE 5 AND BOEING DRAWING # 146A7500.