What was found
FOUND DURING C-CHECK, LEFT HORIZONTAL STABLE INBOARD FROM XAR TO XFS 178 HAS LEVEL II CORROSION ON UPPER SIDE AROUND ATTACH FASTENERS. CUT OUT CORRODED AREA, FABRICATED DOUBLERS AND FILLERS IAW DER ARW 950051-0966 AND SRM 57-2-1 FIG 38 DAC 274118/G1P1518.