As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING C-CHECK, FOUND LEFT HORIZONTAL STABILIZER LEADING EDGE REPAIR NEEDS REPLACEMENT. FABRICATED FLUSH DOUBLER FROM 2024 T3 .063 12.625 INCH BY 8.375 INCH INSTALLED REPAIR IAW B737 SRM 55-10-3. INSTALLED FILLER .040 BY 8.25 INCH BY 4.875 INCH IAW B737 SRM 51-10-2 AND 51-21-0.