What was found
DURING HEAVY MAINTENANCE: CORROSION STR 33R BTW FR64 AND FR65 AT BULK CARGO COMPARTMENT; REF AEROMAN NR 2023 - 557088 W/O:2023 275/1, PERFORMED PERMANENT REPAIR ON STRINGER 33R BTW FR64 AND FR65 AT BULK CARGO COMPARTMENT AREA, THIS REPAIR IS CLASSIFIED AS CATEGORY A IAW A320 SRM 53-41-13-300-004.