What was found
DURING HEAVY MAINTENANCE: CORROSION INTERNAL SKIN CUT OUT BULK CARGO AT LOWER SILL AREA BTW FR 6 0 TO FR 62 RH SIDE AT LOWER FUSELAGE; "REFERENCE WO 2023 252/1, NR 2023-456653 PERFORMED PERMANENT REPAIR ON INTERNAL SKIN CUT OUT BULK CARGO AT LOWER SILL AREA BTW FR 60 TO FR 62 RH SIDE AT LOWER FUSELAGE IAW A320 SRM 53-41-49-300-003 THIS REPAIR IS CATEGORY B AND MUST BE INSPECTION AT INTERVALS OF 60000FC/120000FH SUBSEQUENT INSPECTION AT INTERVALS OF TBD INSPECTION METHOD TBD IAW A320 53-41-49-205-003.