What was found
DURING ROUTINE C-CHECK INSP FOUND FUSELAGE TAIL SEC FLOORBEAM UPPER FLANGE CRACKED AT STA 1540.000 LT BOTTOM LINE 39. REMOVED FASTENERS AS NEEDED TO PERFORM REPAIR. REMOVED EXISTING REPAIR. FABRICATED EXTRUSION REPAIR CHANNEL, FILLERS, AND SPACERS. CLEANED, TREATED AND PRIMED AREA AND REPAIR PARTS. INSTALLED NEW FASTENERS AND REPAIR PARTS IAW SRM CHAPTER 51-2-1 FIGURE 1 TR 51-130, SRM 51-1-21 SRM 51-1-20D, SRM 51-1-8B, SRM 51-3-0, AND SRM 51-3-1.