As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING FLIGHT, CREW NOTED THAT NR 2 HF RADIO WOULD NOT TUNE. MAINTENANCE REMOVED AND REPLACED THE NR 2 HF TRANSCEIVER IAW AMM 23-11-61. MAINTENANCE PERFORMED AN OPERATIONAL CHECK OF THE NR 2 HF RADIO WITH NO DEFECTS NOTED. AIRCRAFT WAS RETURNED TO SERVICE. THE FOLLOWING CREW PERFORMED A FLIGHT VERIFICATION FOR THE NR 2 HF SYSTEM. SYSTEM CHECK WAS FOUND NORMAL AND NOTED BY MAINTENANCE.