As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
HF 2 INDICATES FAILED, ADJUSTED THE SENSOR CORRECTED THE PROBLEM FOR A FEW SECONDS. BUT IT WILL THEN GO BACK TO FAIL. ACFT GROUNDED. RESET THE NR 2 HF TRANSCIEVER CIRCUIT BREAKER AND PERFORMED A NR 2 HF OPS CHECK TEST, PASSED IAW FIM 23-11 TASK 806.