As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(LOG 0375208) FWD CARGO BAY R/H 'Z' CHANNEL IS CORRODED FROM STA 500-500K, RBL 25. REMOVED AND REPLACED Z CHANNEL AT FWD CARGO BAY R/H STA 500-500K LBL25 IAW B737 SRM 51-40-02-0G, SRM 51-40-05-0G, AMM 51-21-41-701 AND AMM 57-21-72-370-801.