As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
METAL FLOOR PANEL PUNCTURED AND DEFORMED WITH CORROSION AFT PIT FLOOR PLATE. REPAIRED 2 PUNCTURED AND DEFORMED AREAS ON AFT PIT FLOOR PLATE. INSTALLATION OF DOUBLER AT EACH LOCATION USING MATERIAL OF SAME THICKNESS. INSTALLED PER REF DC9 SRM 53-01 PAGE 17 AND 53-04 FIG 1. (M)