What was found
MAIN CARGO COMPT FLOORBEAM HAS A MISDRILLED HOLE, STA 600.000 RBL 38" (MAJOR REPAIR). PERFORMED MAJOR REPAIR IAW SRM 51-2-1 FIG 1, TR NR 51-130 DATED 01-26-04. REMOVED FASTENERS IAW SRM 51-1-21. CUT OUT DAMAGED SECTION IAW SRM 51-2-1 FIG 1, TR NR 51-130 SHEET 7. PERFORMED DETAILED VISUAL INSPECTION. NO CRACK OR CORROSION FOUND AFTER CUT OUT. FABRICATED REPAIR ANGLE (AL7075T6 511 0.125") AND FILLER (AL7075T6 0.125") IAW SRM 51-2-1 FIG 1 SHEET 7-9-12. CLEANED, TREATED AND PRIMED AREA AND REPAIR PARTS IAW SRM 51-1-8B. APPLIED SEALANT TO FAYING SURFACES IAW SRM 51-1-11. INSTALLED REPAIR PARTS IAW SRM 51-2-1 FIG 1 SHEET 7-9-12, SRM 51-1-20D, SRM 51-3-1 (TORQUE).