As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT DECK FLOOR PANEL 211AF LANDING IS CORRODED ALL THE WAY AROUND. GROUNDED-YES. REMOVED CORROSION ON STA 270 FLOOR PANEL 211AF LANDING AND FOUND HOLE OUT OF LIMITS, IAW 737-900 SRM 53-10-51-A. REPAIRED STA 270 LATERAL INTERCOSTAL, IAW ALASKA AIRLINES EA NO 900-53EA-22936 REV 00 9/24/2020.