As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DIVERTED TO GLA DUE TO BOTH HF RADIOS BEING INOPERABLE. WHEN THE LEFT AND RIGHT HF RADIOS WERE TESTED, THE LEFT HF OPERATED NORMALLY, AND THE RIGHT HF WOULD TRANSMIT BUT NOT RECEIVE. REPLACED RIGHT TRANSCEIVER, COUPLER, AND RADIO SELECTOR PANEL. SPECIFIC UNIT CAUSING THE PROBLEM IS UNKNOWN. OPERATIONS CHECK NORMAL.