What was found
DURING C3 MAINTENANCE CHECK AT HAECO AMERICAS, MAINTENANCE REPORTED A DEEP GOUGE DAMAGE ON THE LH WING INBOARD, AFT FLAP, LEADING EDGE PANEL SKIN AT THE INBOARD SIDE APPROXIMATELY AT [FS I 04. THE GOUGE ALMOST PENETRATED THE ENTIRE THICKNESS OF THE SKIN. AFFECTED AREA WAS TRIM OUT WITH DIMENSION OF 0.2610-INCH WIDTH BY 2.18-INCH IN LENGTH. THE TRIM OUT IS OUT OF LIMITS PER S RM 57-53-0 I ALLOWABLE DAMAGE I, DETAIL I OF 0.10-INCH. IN ADDITION, THE TRIM OUT IS VERY CLOSE TO FASTENER LOCATION. THE DAMAGE CANNOT BE REPAIR PER SRM 57-53-0 I, REPAIR 2 (INTERNAL REPAIR), DUE TO OBSTRUCTION OF SUBSTRUCTURES. REPAIRED L/E NOSE SKIN PER HAECO REO-G24634 REV IR AND ABX REA-5750-65135-00.