As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MAIN CABIN AFT WET AREA FLOOR SUPPORT BETWEEN STA 947.5-967 RBL 50" CORROSION AROUND FASTENER HEAD REF AAR N/R 9937216 REMOVED AND REPLACED FLOOR SUPPORT BETWEEN STA 947.5 AND 967 RBL 50 AS PER SRM 51-40-02-0G-0, AIPC 53-42-51-25E AND BOEING DWG 147A565A.