As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE LT BOX SKIN OF THE VERTICAL STABILIZER WAS FOUND WITH A CRACK EMANATING FROM A FASTENER COMMON TO THE REAR SPAR LOCATED 1 INCH ABOVE THE FUSELAGE SKIN INTERFACE. THE CRACK WAS STOP DRILLED AND REPAIRED WITH AN EXTERNAL ALUMINUM DOUBLER PER ER/A 383575-14, REV A.