As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHEN A/C WENT IN FOR OVERHAUL THE RT HORZ STAB UPPER PANEL WAS FOUND TO HAVE NUMEROUS DENTS (POSSIBLE HAIL DAMAGE) THE DAMAGE WAS REPAIRED BY REMOVING ALL CORE FROM BACK SIDE OF PANEL. WHEN THE CORE WAS REMOVED THE SMALL DENTS RELAXED. THE CORE WAS REPLACED ALONG WITH THE BACK SKINS, REPAIRING THE DAMAGE.