As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INTERMITTENT NR 1 HF, FAILED PRIOR TO GATEWAY, FIXED WHILE STILL IN VHF CONTACT. REGAINED DUAL HF RADIO CAPABILITY PRIOR TO ENTERING OCEANIC AIRSPACE WITH NO FURTHER ISSUES. ACFT GROUNDED. OPS CHECKED THE NR 1 HF IAW AMM 23-11-00. OPS CHECKED NORMAL.