As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING THE COURSE OF A SCHEDULED INSPECTION, THE RT HORIZONTAL STABILIZER WAS REMOVED TO TROUBLESHOOT A PROBLEM WITH AN AUXILIARY STROBE LIGHT THAT IS ATTACHED TO THE STABILIZER. DURING REMOVAL, THE FLANGE ON THE IB RIB THAT ATTACHES THE STABILIZER TO THE TAILBOOM WAS FOUND CRACKED AND SEPARATED INTO 2-PIECES. DUE TO THE LOCATION OF THE CRACK IT WAS NOT VISIBLE WITH THE STABILIZER INSTALLED. (K)