As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLOOR PANEL 231LF HAS DELAMINATION & SEVERAL AREAS OF CORROSION IN FASTNER HOLES. GROUNDED - YES. EVALUATED FLOOR PANEL 231LF P/N 143A5810-614 AND FOUND DAMAGE TO BE OUT OF LIMITS AND REQUIRES FABRICATION OF NEW FLOOR PANEL IAW ASA B737-900ER SRM 53-30-50-1A-1, SRM 53-00-50-1A-1 AND DWG 143A5810 REV- . FABRICATED NEW FLOOR PANEL IAW ASA B737-900ER SRM 53-00-50-2R-0 AND DWG 143A5810 REV-.