As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
HF NR 1 WILL NOT TRANSMIT. RECEIVES OK DATA TRANSMIT OK. VERIFIED NR 1 HF RADIO INOP. REPLACED NR 1 HF TRANSCEIVER PER MM 23 11 21 400 801. REPLACED NR 1 HF ANTENNA COUPLER PER MM 23 11 61 400 801. BOTH OPS CHECK NORMAL. PART NUMBERS VERIFIED BY SEAMC REF IPC 23 11 61 01 AND IPC 23 11 21 11.