As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CABIN FLOORBEAM IS CORRODED AT 947.15 NEXT TO RIGHT AFT LAVATORY, INBOARD MOUNT. DAMAGE EVALUATION AND REPAIR OF FLOOR BEAM CORROSION AT STA 947; RIGHT AFT LAVATORY I/B MOUNT WILL BE ACCOMPLISHED ON CUSTOMER TASK CARD TTG8Q00SRRMT STEP 4 AND STEP 6.