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 FLOOR BEAM +Y1162.5 BTW FR 66 TO FR 68 AT AFT GALLEY AREA; REF BP NR # 2018-374614 REPLACED FLOOR BEAM + Y1162.5 BTW FR 66 TO FR 68 AT AFT GALLEY AREA IAW SRM A320 51-72-11 AND DRAWING D53472780