As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PASSENGER CABIN STA 380 TO STA 400 BL 0 FLOOR BOARD SUPPORT IS CRACKED IN TWO LOCATIONS AS MARKED. / REMOVED DAMAGED (CRACKED) FLOOR BOARD SUPPORT FROM STA 380-400 BC O AND INSTALLED NEW FLOOR BOARD SUPPORT P/N 143A5410-170 ATAG# A13203 IAW SRM 51-40-02-0G-0 AND BOEING 143A5400 REV -