As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLOOR SUPPORT STRINGER HAS DRILL BIT DAMAGE BS 590 LBL 11 FWD CARGO COMPT. CUT OUT DRILLED SECTION OF FLOOR SUPPORT, FABRICATED AND INSTALLED 2 ANGLES 10" BY 1" BY 1" FROM 7075-T6 .050" AND 2 ANGLES 8" BY 1" BY 1" FROM 2024-T3 .040" IAW B757 SRM 51-70-12, FIG 1.