As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AT ROTATION, THE CREW NOTED A "TAILCONE UNSAFE" MESSAGE ON THE OVERHEAD ANNUNCIATOR PANEL. ON LANDING, MAINTENANCE DISCOVERED THAT THE TAILCONE INTERNAL RELEASE HANDLE WAS OUT OF POSITION AT THE INTERNAL SWITCH. CABLE WAS REPOSITIONED TO THE CORRECT ROUTING PER THE MAINTENANCE MANUAL. ALL TAILCONE POSITION INDICATIONS NOW CHECK NORMAL AND THE AIRCRAFT HAS RETURNED TO SERVICE.