As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
HORIZONTAL STABILIZER LEFT UPPER SKIN, HSS 80, STIFFENER NR 31 SKIN CRACK. REPAIR THE NR 4 UPPER SKIN PANEL OF THE LEFT HORIZONTAL STABILIZER WAS FOUND WITH A 1.25 CRACK AT THE RUNOUT OF STIFFENER NR 31. THE CRACK WAS ROUTED OUT OF THE SKIN AND AN EXTERNAL ALUMINUM DOUBLER AND TRIPLER WERE INSTALLED PER ER/A 367841-14, REV A.