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 UNDER FLOOR STRUCTURE WED AT LEVEL OF STRG 23L AND BETWEEN FR 69 TO FR 70 AT AFT GALLEY AREA; REPLACED UNDER FLOOR STRUCTURE WED AT LEVEL OF STRG 23L AND BETWEEN FR69 TO FR 70 AT AFT GALLEY AREA IAW SRM 51-72-11. WORK ACCOMPLISHED ON AEROMAN NR 2019-133619