As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING HEAVY MAINTENANCE, REF AEROMAN NR 2019-258707. CORROSION FLOOR BEAM FR16 LH SIDE FWD GALLEY AREA; REF NR FOR ALL WORK ACCOMPLISHED. REPLACED FLOOR BEAM FR12-FR20 LH FWD GALLEY AREA IAW SRM 51-40-08 & DWG 170-00822-505-001. CLASSIFIED AS MAJOR REPAIR.