As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING HEAVY MAINTENANCE, CORROSION EXTERNAL SKIN EXISTING REPAIR BETWEEN FR 69-FR 70 & BETWEEN STR 29R & STR 33R LOWER FUSELAGE (REF AEROMAN NR 2020-358636 WO 2020 351/1). ACCOMPLISHED PER EA 53-0764-20 & EC A20-767-01. CLASSIFIED AS MAJOR.