As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MCN - MAJOR REPAIR - DURING C-04 CHECK CORROSION WAS FOUND ON AFT LOWER SURFACE OF FLOOR PANEL 262FF. MAINTENANCE REMOVED CORROSION AND TRIMMED AWAY CORRODED AREA ON AFT LOWER SURFACE OF FLOOR PANEL 262FF; FABRICATED A REPAIR DOUBLER; INSTALLED REPAIR PART IAW AWA ER 25-5302-03353-TB3.