As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION REMOVED ON NR 31 LEFT HAND BARREL NUT BORE FOUND EXCEEDED LIMIT. LEFT HAND HORIZONTAL STABILIZER, EXCEEDED LIMIT BARREL NUT BORE NR 31L. REPAIRED AS PER EA NR 1-5510-80358, TITLE: HORIZONTAL STABILIZER BARREL NUT BORE 31L. REWORK BEYOND S/B MD11-55-023 REV 2 LIMITS.