As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EVIDENCE OF CRACK ON RIB 12 UPPER FLANGE LOCATED ON THE RT HORIZONTAL STABILIZER BETWEEN FRONT SPAR AND MIDDLE SPAR. REMOVED AND REPLACED RIB 12 UPPER FLANGE LOCATED ON THE R/H HORIZONTAL STABILIZER BETWEEN FRONT SPAR AND MIDDLE SPAR IAW SRM.