What was found
DURING HEAVY MAINTENANCE: CORROSION INTERNAL STRUCTURE STRINGER 41L BTW FR 32 TO FR 35 IN FWD CARGO COMPARTMENT; ALL WORK ACCOMPLISHED ON AEROMAN NRC # 2023-132121, PERFORMED REPAIR OF STRINGER 41 L LOCATED BETWEEN FR 30 AND FR 31 IN FWD CARGO COMPARTMENT IAW A320 SRM 53-21-13-300-018, DWG 53231212 AND DWG D53231487, THIS REPAIR IS CATEGORY B, INSPECTION THRESHOLD FROM TIME OF ADL/REPAIR EMBODIMENT AT 60000 FC/120000 FH IAW SRI 53-21-13-205-018 TABLE 001.FUR-A320-53-00665 GENERATED. (CONSIDERED A MAJOR REPAIR)