As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT IN BASE MAINTENANCE: GEN BY NRC: MAIN CABIN LATE FINDING FOUND FLOOEBOARD PANEL DELAMINATED SEAT15C-19C P/N 869Z5520-19. MAINTENANCE REPLACED MAIN CABIN FLOORBOARD PANEL VTSAA 869Z5520-19LF AT SEAT 15C-19C IAW BOEING AMM B787-A-53-01-01-02A-520A-A/720A-A.