As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EN ROUTE, LOST HIGH FREQUENCY RADIO NR 2. *S/D* THE DRIVERS IN THE TRANSCEIVER FAILED. FAILURE PREVENTED THE TRANSCEIVER FROM TUNING PROPERLY. THE FAILURE IS ATTRIBUTED TO NORMAL COMPONENT FAILURE. NEED FOR ADDITIONAL CORRECTIVE ACTION IS NOT INDICATED AT THIS TIME.