What was found
DURING ROUTINE C-CHECK INSP, FOUND LT NLG AFT DOOR EXTERNAL SKIN CRACKED. REMOVED FASTENERS AS NEEDED TO PERFORM REPAIR. REMOVED CRACKED SKIN. FABRICATED NEW SKIN. CLEANED, TREATED, PRIMED AREA AND REPAIR PART. INSTALLED NEW FASTENERS AND REPAIR PART IAW SRM CHAPTER 52-5-1 FIG 1, SRM 51-1-21, SRM 52-1-0 PAGE 1, SRM 51-1-8B, SRM 52-5-1 FIGURE 1 ITEM "A", DPS 4.710 REV "L", SRM 51-1-4, DPS 3.69-5 REV "U", SRM 51-1-8B AND SRM 51-1-11.