As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PASSENGER CABIN FORWARD WET AREA FLOOR SUPPORT STA 312 - 328 LBL 11 HAS SMALL SPOT OF CORROSION ON UPPER SURFACE AFT END / REMOVED CORROSION FROM FLOOR SUPPORT AT TA 312 TO 328 LPL 11. FOUND TO BE OUT OF LIMITS OBTAINED NEW FLOORBOARD SUPPORT. DRILLED UP AND INSTALLED IAW SRM 51-40-02 AND BOEING DWG 141A5400 ORIGINAL .085' LOSS OF .014'; REMAINING T .071.