As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFT CARGO COMPT. FLOOR PANEL 140EF EDGES HAVE CORROSION / EVALUATED CORROSION ON AFT CARGO FLOOR PANEL 140EF AND FOUND CORROSION TO EXCEED 20' IN LENGTH. FOUND OUT OF LIMITS IAW B737 SRM 53-00-53-1A-1. REPLACED FLOOR PANEL IAW B737 AMM 25-52-01-201-801; 51-21-41-370-801 & 51-21-72-370-804