As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
HF-2 APPEARS INOPERATIVE UNABLE TO TUNE ANY FREQUENCY. UNABLE TO TRANSMIT OR HEAR ANY RADIO TRAFFIC ON FREQUENCY. NO BACK GROUND NOISE PRESENT WHEN HF-2 IS SELECTED. ACFT GROUNDED. FOUND NR 2 HF TRANSCEIVER INOPERATIVE. NO LEDS WHEN TEST INITIATED. REPLACED NR 2 HF TRANSCEIVER. INSTALLATION TEST PASSES, GROUND VERIFICATION SUCCESSFUL. REF AMM 23-11-21/401.