As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFT PIT FLOOR PANEL 140CF UPPER AND LOWER SURFACES HAVE WIDESPREAD CORROSION REMAINING PRIMARILY ALONG SIDES AFTER INITIAL REWORK ON NRC X756433. / EVALUATED AFT CARGO PIT FLOOR PANEL 140CF UPPER AND LOWER SURFACE FOUND CORROSION EXCEED A MAXIMUM OF 3' OUT OF LIMITS IAW SRM 53-00-53-1A-1 FLOOR PANEL REMOVED AND REPLACED ON N/R X757716