As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING HEAVY MAINTENANCE, CORROSION LOWER SILL LOCATED FLOOR STRUCTURE AT LEVEL STR 23L FR 66 TO FR 68R AT AFT GALLEY AREA (1 EA); REMOVED AND REPLACED NEW LOWER SILL LOCATED FLOOR STRUCTURE AT LEVEL STR 23L FR 66 TO FR 68 AT AFT GALLEY AREA 1EA IAW SRM A320 51-72-11 AND DRAWING D53480505 TOOL USED CALIPER PN 500-197-30 SN A16208709 DUE DATE FEB 06-2020 ALL WORK ACCOMPLISHED ON AEROMAN NR 2019-309281