What was found
DURING ROUTINE C-CHECK INSP FOUND LT WING INBD FLAP LOWER EXTERNAL SKIN CRACKED AT STATION XCW 64.000. REMOVED FASTENERS AS NEEDED TO PERFORM REPAIR. REMOVED CRACKED SKIN. FABRICATED NEW SKIN AND DOUBLERS. BONDED PARTS AS NEEDED WITH HYSOL. CLEANED, TREATED, AND PRIMED AREA AND REPAIR PARTS. INSTALLED PANEL NEW FASTENERS AND REPAIR PARTS IAW SRM 51-1-21, SRM 57-1-0 PAGE 1, SRM 57-7-1 FIG 1 ITEMS "A" - "L", DPS 4.710 REV "L", DPS 57-2-0, SRM 51-1-9, TR 51-142, SRM 51-1-9A, TR 51-141, DPS 1.950 REV "AR" R-1, SRM 51-1-8B, AND SRM 51-1-21.