As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER LEVEL OFF IN CRUISE, "TAILCONE UNSAFE" WARNING ILLUMINATED. QHR PROCEDURES WERE COMPLIED WITH BUT HAD NO IMMEDIATE EFFECT. FLIGHT DESCENDED AND THE LIGHT REMAINED EXTINGUISHED. PILOT DECLARED AN EMERGENCY AND LANDED WITHOUT INCIDENT. MAINTENANCE INSPECTED TAILCONE, HANDLE CABLE, AND SWITCH AND ALL WAS FOUND TO BE NORMAL WITH NO DEFECTS NOTED.