As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING 100 HOUR INSPECTION IT WAS NOTED THAT THE BNC CONNECTOR ATTACHED TO THE ELT PORTABLE ANTENNA WAS MISSING. AN IN-DEPTH SEARCH OF THE AIRCRAFT BELLY FAILED TO TURN UP THE CONNECTOR. THE CONNECTOR IS ATTACHED TO THE PORTABLE COLLAPSIBLE ANTENNA BY A 6-32 SCREW IN THE BOTTOM OF THE ANTENNA. THERE IS NO PROVISION TO LOCK THIS THREADED ATTACHMENT.