As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFT CABIN FLOOR SUPPORT STA 947+2 TO 986+3 LBL50 WL208 HAS CORROSION EMITTING FROM UNDER LAV MOUNT / REMOVED AND REPLACED AFT CABIN FLOOR SUPPORT STA 947 +2 TO STA 967 LBL50 IAW DWG 147A5650 REV C AND B-737 SRM 51-40-02 ORIG 'T' .150; REMAINING .120; LOSS OF .030 FOUND TO BE OUT OF LIMITS IAW B-737 SRM 53-70-51-1A-1 TOOL 36647 DUE 6-7-20. ATAG 1K0568 P/N 147A5660-21