As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING A SCHEDULED TAILBOOM VERTYICAL FIN INSPECTION, A 2" LONG CRACK WAS DISCOVERED IN THE TAILBOOM FRAME 11.THE CRACK WAS STOP DRILLED, A REPAIR SCHEME WAS REQUESTED. THE REPAIR SCHEME WAS RECIEVED,APPROVED REPAIR WAS PERFORMED AND THE AIRCRAFT RETURNED TO SERVICE FOLLOWING THE REPAIR.