What was found
DURINC C-CHECK INSPECTION, DISCOVERED CORROSION ON THE LEFT FLAP FRONT SPAR LOWER CAP BETWEEN XFLS 299.601 AND 304.031. REPAIRED BY BLENDING OUT THE EXFOLIATION CORROSION, HFEC INSPECTING, ROTO PEENING, REINSTALLING FITTING REMOVED FOR ACCESS WITH 301 CRES SHIMS TO FILL VOID CREATED BY BLENDOUT. ACCOMPLISHED IAW EVERGREEN AIR CENTER, ENGINEERING CHANGE/REPAIR AUTHORIZATION NR N660HA-57-012-EAC. (M)