As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION FOUND IN COURIER COMPT UNDER MOON MAT BY #8 FITTING ON FLOOR PANEL WSP0789-502. 38-34 REMOVE AND REPLACE FLOOR PANEL P/N WSP0789-502 PER DAC DWG WSP0789 AND PER MD11 SRM CHAPTER 51 GUIDELINES. USE ORIGINAL PART AS SAMPLE IN ACCORDANCE WITH UPS GMM 09-08.