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-03 CHECK PASSENGER CABIN FLOOR PANEL 251LF WAS FOUND DELAMINATED. MAINTENANCE REMOVED DAMAGED FLOOR PANEL 251LF; FABRICATED A NEW REPLACEMENT PANEL PER DWG 10D53670022; INSTALLED REPAIR PART IAW T/C R1C25306 AND SRM 53-02-00 PG 233-236 FIG 209.