As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS IN BASE MAINTENANCE. DELAMINATED TOP LAYER PASSENGER CABIN FLOOR PANEL 261LF BETWEEN FRAME 53.9 AND FRAME 55, Y450 TO Y953. REMOVED AND REPLACED FLOOR PANEL WITH REPLACEMENT MATERIAL PER SRM A330 53-20-00-300-009 AND IRM 9701 REVISION G.