As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PASSENGER CABIN FLOOR PANEL 221DF IS CRACKED ON LOWER SURFACE; 1.5' FROM O/B EDGE AND 4.5' FROM AFT EDGE. / REPAIRED PASSENGER CABIN FLOOR PANEL #221DF OF CRACK ON LOWER SURFACE 1.5' FROM O/B EDGE AND 4.5' FROM AFT DEGE AROUND FASTENER HOLE IAW B737-800 SRM 53-00-50-2R-0 REV 68 AND B737-800 SRM 53-00-50-2R-1 REV 68. A51454; A09236; A36551