As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
UPPER T CAP ON FRAME 3 AT FLIGHT STATION 3150, WATER LINE 1480 WAS FOUND TO HAVE CORROSION UNDER SEVERAL NUT PLATES ON THE BOTTOM OF THE MAIN CABIN FLOOR. ADDITIONALLY THE FORWARD LOWER SIDE OF THE ADJACENT BULKHEAD WAS FOUND TO HAVE CORROSION AT THE BOTTOM EDGE OF THE WEB.