As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(LOG 0570171) CORROSION ON FWD CARGO LH Z CHANNEL FROM STA 500A TO STA 500L WL 158. REMOVED, FABRICATED REPAIR PARTS AND INSTALLED L/H ZEE CHANNEL REPAIR PARTS ON FWD CARGO COMP. IAW B737-900 SRM 51-40-02-0G, SRM 53-00-53-2R-5 AND BOEING DWG# 143A7500.