What was found
DURING ROUTINE C CHECK INSPECTION, FOUND LT WING UPPER SKIN CORRODED AROUND FASTENERS AT STATION XRS 358.000 -371.000, STRINGER 5 TO STRINGER 8. REMOVED FASTENERS AS NEEDED TO PERFORM REPAIR. REMOVED CORROSION. FOUND OUT OF LIMITS. REMOVED DAMAGE AREA. FABRICATED REPAIR DOUBLER AND FILLER PLUG. TAPERED BOTH SIDES OF REPAIR DOUBLER. PERFORMED NDT INSPECTION. NO CRACK, OR CORROSION FOUND. CLEANED, TREATED, AND PRIMED AREA AND REPAIR PARTS. INSTALLED NEW FASTENERS AND REPAIR PARTS IAW SRM 57-2-1 FIGURE 29, SRM 51-1-20D, SRM 51-1-8 PAGES 17-18, SRM 57-2-0 PAGE 16, NDT SPM PART 06-10-01-001, SRM 51-1-12 PAGE 7, AND SRM 51-3-1.