As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT IN BASE MAINTENANCE: FOUND CORROSION ON LOWER SURFACE OF FLOOR PANEL 261LG (L=2 INCHES, W=0.25 INCH, D=0.03 INCH). REMOVED AND REPLACED FLOOR PANEL. SUPPLEMENTAL REPORT: ENGINEERING REVIEWED THIS EVENT AND DETERMINED THAT THIS WAS NOT CPCP RELATED AND NOT A LEVEL 2 FINDING. SECTION 7 CORROSION LEVEL FIELD WAS CORRECTED ACCORDINGLY.