What was found
DURING SCHEDULED C-1 CHECK UNDER JOB CARD HC5321, FOUND LT FUSELAGE TO WING FWD FILLET ATTACH ANGLE WITH INTERGRANULAR CORROSION AT FS477, WL280, AND LBL20-63. REPAIR BY REPLACEMENT ACCOMPLISHED IAW SMP583 SRM, CH. 51-60 & 51-70. NR# 2308.