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 STRINGER 43L LOCATED BTW FR 62 TO FR 63 IN AFT CARGO COMPARTMENT; REF BP NR # 2018-374610 REPLACED STRINGER 43L BTW FR 60 60 FR 64 IN AFT CARGO COMPARTMENT AS PER SRM A320 51-72-11 AND DRAWING # E 53470342.