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 -Y1225 AT LEVEL STR23R FR66 +5" FR67+16" AT AFT GALLEY AREA (1 EA); REF NRC 2018-159130 & W/O 909857. REPLACED FLOORBEAM -Y1225 AND FASTENERS 10 FR66 TO FR68 AT LEVEL STR 23R AFT GALLEY AREA IAW SRM 51-72-11 AND DRAWING D53472000.