As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PERFORMED INSPECTION ON HORIZONTAL STABILIZER ATTACH FITTINGS AND FOUND BOLT HEAD MISSING ON ONE BOLT ON LT AFT ATTACH POINT. REMOVED BOLT AND FOUND IT TO BE WORN AND CORRODED. REPLACED LT AND RT AFT ATTACH BOLTS, BOTH WERE WORN AND CORRODED. BOLT HEAD SHOWS SIGNS OF CORROSION AND POSSIBLY HAD BEEN CRACKED FOR SOME TIME.