What was found
CORROSION ON REAR FUSELAGE SKIN AT AFT LAVATORY VENT OUTLET BETWEEN FR 69 TO FR 70, STG 30 TO STG 32. CLEANED CORROSION, FOUND OUT OF LIMITS CONDITION. PERFORMED HFEC SURFACE AND BOLT HOLE INSPECTIONS. FABRICATED AND APPLIED FILLER AND EXTERNAL DOUBLER REPAIR IAW A321 SRM 53-41-11-300-004, FIGURE 001, REPAIR CATEGORY A.