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 THRESHOLD SHEET BTW FR 52A TO 56 IN AFT COMPARTMENT; REPLACED THRESHOLD SHEET BTW FR 52A TO FR 56 IN AFT CARGO COMPARTMENT IAW A320 SRM 51-72-11. WORK ACCOMPLISHED ON AERMAN NR 2019-133568