As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CRACK ON FLOOR PANEL 541B AND 617F ALSO CRACK ON W-CHANNEL OF FLOOR PANEL 826 AT PASSENGER CABIN. FLOOR PANELS NRS 541B AND 617F WERE FABRICATED IAW AMM 53-20-01-201 W-NEW CHANNELS WERE INSTALLED ON FLOOR PANEL NR 826D REMOVED SRM 51-30-1 DRILLED SRM 51-10-4, INSTALLED DWG 9936639, REV P.