As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 1 HF WILL NOT TRANSMIT. ACFT GROUNDED. VERIFIED NR 1 HF DOES NOT TRANSMIT. REMOVED AND REPLACED THE NR 1 HF TRANSCEIVER IAW AMM 23-11-21, AND NR 1 HF COUPLER IAW AMM 23-11-61, GROUND VERIFICATION TEST PASSED. CAPTAIN'S & FIRST OFFICER'S AUDIO CONTROL PANEL OPS NORMAL IAW AMM 23-51-02.