As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 2 HF RADIO WILL NOT TRANSMIT MIC WILL EITHER NOT CYCLE OR RADIO STICKS IN TUNING MODE WITH A CONTINOUS TUNNING TONE. MUST CYCLE TRANSMIT SWX TO STOP. CONFIRMED FAULT. REPLACED NR 2 HF TRANSCEIVER PER AMM 23 11 21 400 801. GROUND SYSTEM VERIFICATION CHECK GOOD. ACFT OK FOR SERVICE.