As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING HEAVY MAINTENANCE, CORROSION TRAILING EDGE ON UPPER SKIN LOWER SURFACE RIB 18 LH WING; REF AEROMAN NR 2019-407615 WO 2019 335/1 ACCOMPLISHED REPAIR OF CORROSSION ON LH WING RIB 18 IAW AEROMAN EA 57-5094-19 REV O & AIRBUS RDAS 70562381/121 2020. THIS REPAIR IS CLASSIFIED AS MAJOR.