As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
HF #1 AND #2 WILL NOT TRANSMIT NOT RECEIVE. GROUNDED - YES. FOUND NO POWER TO HF TRANSCEIVER REST BY FIM AND PERFORMED BITE PROCEDURE. REF B737-800 FIM 23-11 TASK 801 AND OPERATIONAL CHECK REF B737-800 AMM 23-11-00-710-801 HF 1 AND HF 2 OPERATIONAL TEST NORMAL.