As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING INSPECTION FOUND AFT CARGO COMPARTMENT, L/H FLOOR TO SIDEWALL "ZEE" HAS MULTIPLE AREAS OF CORROSION FROM STA. 727 TO STA. 847. REMOVED DAMAGED Z CHANNEL FROM AFT CARGO COMPARTMENT L/H SIDE AND INSTALLED A NEW PART PER B737 SRM 51-40-02-0G AND DWG# 146A7500 STA 727-847.