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 F66-FR68 LH SIDE ST AFT GALLEY AREA; REMOVED CORROSION ON LOWER SILL LOCATED F66-FR68 LH SIDE ST AFT GALLEY AREA. OUT OF LIMITS AFTER REMOVAL. REMOVED ABD REPLACED LOWER SILL. WORK PERFORMED ON AEROMAN N/R 2019-285275.