As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFT CABIN DECK WET AREA FR 66 AND FR66+120MM, Y500MM TOP LONGITUDINAL FLOORBEAM UPPER SURFACE WITH SPOT CORROSION. FOR CORRECTIVE ACTION SEE NRI 2-89. ACTION TAKEN : REPLACED LONGITUDINAL FLOORBEAM P/N D5347219420800 BETWEEN FR 64 AND FR 68 AT Y 500MM ( Y 20.17IN) IAW SRM 51-72-11-911-001 PARAG 2.