What was found
DURING HEAVY MAINTENANCE, CORROSION EXTERNAL SKIN VACUUM VALVE BETWEEN FR 60 TO FR 70 RT SIDE LOWER FUSELAGE, REF AEROMAN N/R 2020-375163 WO 2020 88/1. PERFORMED PERMANENT REPAIR ON EXTERNAL FUSELAGE LOCATED BETWEEN FR 69 TO FR 70 AND STR 30R TO STR 33R, IAW A320 SRM 53-41-11-300-004. THIS IS A CATAGORY A MAJOR REPAIR AND NOT FURTHER INSPECTION IS REQUIRED.