What was found
SAL - MAJOR REPAIR - DURING BC-4 CHECK EXFOLIATION CORROSION WAS FOUND AROUND FASTENER HOLES ON SILL BEAM AT BULK CARGO DOOR FR 60, STR 38 RT. MAINTENANCE CUTOUT DAMAGED SECTION OF SILL BEAM AT BULK CARGO DOOR FR 60, STR 38 RT; FABRICATED A FILLER AND DOUBLER; INSTALLED REPAIR PARTS IAW A320 SRM 53-41-49 FIG 203.