As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING HEAVY MAINTENANCE, WV UPGRADE RH WING CORROSION TOP SKIN LOWER SURFACE TE RIB 13 EC A 17-790-19; (REF AEROMAN NR 2019-398193 WO 2019 341/1 JB EC A20-100-01) FOR DETAILED INFORMATION ON WORK PERFORMED. THIS REPAIR IS MAJOR AND CAT B.