As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
31J - THE FOLLOWING WAS FOUND, CABIN FLOORBEAM HAS CORROSION STATION 295 RBL 60 TO UNDER FORWARD LAVATORY. FABRICATED T-CAP SECTION FRM AND 10136-2401 79.5 INCH BY 2.5 INCH BY 1.25 INCH. FABRICATED FOUR ANGLES 7075 T6 .063 1 INCH BY 1 INCH 14 INCH TWO AND 1 INCH BY INCH 12 INCH. INSTALLED ALL PARTS IAW SRM 51-30-2, N/R 71096/0707.