What was found
MAIN CARGO COMPT FRAME CRACKED 0.250" STA 1580.000 L-20 - L-21R. PERFORMED MAJOR REPAIR IAW SRM. TRIMMED OUT DAMAGED FRAME SEGMENT, FABRICATED NEW FRAME SEGMENT IAW SRM. TWO ANGLES IAW SRM. HEAT TREATED NEW FRAME SEGMENT AND ANGLES FROM 70750 TO 7075T6 IAW SRM 53-2-0. 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 53-2-0 FIG 2 SHEET 4-6, SRM 53-2-0 FIG 2 SHEET 5 (TR 53-125).