What was found
DURING ROUTINE C CHECK INSPECTION, FOUND IMPROPER REPAIR AT STATION 220.000-240.000 LONGERON 28-31 LEFT. REMOVED FASTENERS AS NEEDED TO PERFORM REPAIR. REMOVED EXISTING REPAIR. FABRICATED NEW SKIN, INTERNAL, AND EXTERNAL DOUBLERS. CLEANED, TREATED, PRIMED AREA, AND REPAIR PARTS. INSTALLED NEW FASTENERS AND REPAIR PARTS IAW SRM 53-2-1 FIGURE 7 TR 53-203 SHEETS 3, 4, 23, AND 24, SRM 51-1-20D, SRM 51-1-8B, SRM 51-1-21, AND SRM 51-3-1.