As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
HF1 PANEL DISPLAYS FAIL ON BOTH ACTIVE AND STANDBY PANELS. CAN SELECT FREQUENCY AND HAD A POSITIVE SELCAL CHECK. GROUNDED - YES. CYCLED CIRCUIT BREAKER FOR HFI RADIO PER B737-800 AMM 20-60-05-800-80. 1PERFORMED HF1 OPERATIONAL CHECK PER AMM 23-11-00-710-801OPS CHECK GOOD OKAY FOR SERVICE.