As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CANNOT TRANSMIT ON HF 1 RADIO FROM EITHER AUDIO CONTROL PANEL. ALL OTHER FUNCTIONS APPEAR NORMAL, INCLUDING TRANSMIT ABILITY FROM HF 2. GROUNDED - YES. CYCLE POWER TO THE NR 1 HF TRANSCEIVER IAW AMM 20-60-99. ACCOMPLISHED OPS CHECK OF NR 1 HF IAW FIM 23-11-TASK 806. GROUND VERIFICATION CHECK OKAY. DEFECT CLEARED.