As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING FLIGHT, THE FIRST OFFICER WAS UNABLE TO TRANSMIT USING THE NR 2 HF RADIO. AIRCRAFT LANDED IN SAN WITHOUT FURTHER INCIDENT. MAINTENANCE PERFORMED FIM TASK 23-11-00-810-806 WITH NO FAULTS NOTED. OPERATIONAL CHECK OF NR 2 HF RADIO WAS FOUND NORMAL. 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.