What was found
DURING ROUTINE C-CHECK INSP, FWD ACCY COMPT INTERNAL PART BETWEEN L-25L AND L-24L, AT STA 255.000 HAS FRAME CRACKED (1.5 INCH). PERFORMED MAJOR REPAIR IAW SRM 53-2-1 FIG.74 (SHEET 1,3). REMOVED FASTENERS IAW SRM 51-1-21. REMOVED DAMAGED SECTION. FABRICATED EXTERNAL REPAIR DOUBLER (ALCLAD 7075 T6 0.071) AND (02 EA) INTERNAL FINGER DOUBLER (ALCLAD 7075 T6 0.040”) IAW SRM 53-2-1 FIG. 7 (SHEET 1,3), SRM 53-4-1 FIG. 5 ITEM B, SRM 51-9-0 FIG. 68A. CLEANED, TREATED AND PRIMED AREA + REPAIR DOUBLER IAW SRM 51-1-8B. APPLIED SEALANT TO FAYING SURFACES IAW SRM 51-1-11 PAGE 9. INSTALLED REPAIR DOUBLER IAW SRM 53-2-1 FIG. 7 (SHEET 1,3), SRM 51-1-21, SRM 51-1-20D, SRM 51-3-1 (TORQUE).