As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
#2 HF RADIO INOP AFTER TAKEOFF. NO SIDE TONE AND CANNOT TRANSMIT NOR RECEIVE ON ANY FREQ. WOULD NOT TRANSMIT FROM CAPT'S AND F/O PUSH TO TALK SWITCHES AND HAND MICS. GROUNDED - YES. RESET #2 HF SYSTEM BITE AND OPS CK OK REF B737-800 AMM 23-11-00.ALSO COMMUNICATION TEST WITH SFO OCEANIC OK NORMAL. A/C OK FOR SERVICE.