As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING HEAVY MAINTENANCE, CORROSION WAS DISCOVERED ON FLOORBEAM INBD POSITION RT LOCATED BTWN FR 12-20 AT FWD GALLEY AREA. CORROSION IS BEYOND LIMITS AS PER SRM 53-10-10; REPLACED FLOORBEAM LOCATED AT FR 12-20 RT SIDE PASSENGER CABIN IAW SRM 51-40-08 AND DRAWING 170-00822-503 & NR 927011-2018-246841.