As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(ELT ANTENNA) THE ELT DID NOT TRANSMIT WHEN TESTED ON THE AIRCRAFT AT 100 HOUR INSPECTION. ELT WORKED WHEN PORTABLE ANTENNA USED. VISUAL INSPECTION FOUND MAST LOOSE. THE ANTENNA WAS MACHINED TO A DIAMETER OF .040 TO .050 AT THE BNC REDESIGN USING A FLEXIBLE MAST AND BETTER BASE CONNECTION.