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 REF BP NON ROUTINE 2018-143273. CORROSION LWR SILL PAX DOOR 842 AFT GALLEY AREA. REPLACED LWR SILL PAX DOOR 842 AFT GALLEY AREA IAW SRM 51-72-11 AND DWG D53480505. P3 LOC FR66 +.488.