As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
BOTH CA AND FO UNABLE TO TRANSMIT OR BE HEARD ON VHF 1 OR VHF 2. TRIED SWITCHING HEADSET AND HAND MIC. INTERCOM WORKED FINE. OTHER JETS REPORTED POSSIBLE STUCK MIC. OUR RECEPTION WORKED FINE THROUGHOUT. WE PLUGGED AND UNPLUGGED ALL HEADSETS AND HAND MICS. FINALLY GOT RADIO 2 WITH FO WORKING ON FINAL DURING TURN BACK TO BOISE. SWAPPED 1ST OBS WITH CAPTS AUDIO CONTROL PNL OPS NORMAL GOOD COMMS WITH TOWER VERIFIED PER A300 M/M 23-12-13-04,23-12-00-05-02