What was found
DURING ROUTINE C CHECK INSPECTION, FOUND LEFT INBOARD FLAP UPPER SKIN CRACKED AT STATION 104.000 - 122.000. REMOVED EXISTING REPAIR. FABRICATED NEW SKIN. CLEANED, TREATED, PRIMED AREA AND REPAIR PART. INSTALLED REPAIR PART IAW SRM 57-7-1 FIGURE 1 ITEM "D", SM 57-1-0 PAGE 1, SRM 51-1-21, SRM 51-1-8B, SRM 51-1-11, SRM 51-3-0, AND SRM 51-3-1.