As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING C CHECK, IN MAIN CARGO BETWEEN BS 720B AND 720C, STR 15L IS CRACKED AFT OF WING LIGHT HOUSING. CUT-OUT CRACKED SECTION OF STR 15L IAW B-727 SRM 53-10-3. FABRICATED ONE CHANNEL REPAIR. FABRICATED ONE FILLER. FABRICATED ONE FILLER IAW B-727 SRM 53-10-3. TREATED AND PRIMED AND INSTALLED IAW B-727 SRM CHAPTER 51-10-2 AND 51-30-2.