As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ETOPS SIGNIFICANT SYSTEM - FIM 23110701 NR 1 HF RADIO VOICE MODE WILL NOT CHANNELIZE. DATA MODE WORKS INTERMITTENTLY. NR 2 HF DID NOT WORK IN DATA MODE. REMOVED & REPLACED NR 1 HF COUPLER PER AMM23-11-01. REPLACED NR 1 HF XCVR. OPS CHECK OK PER MM 23-11-01.