As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MCDU SCREEN INDICATES HF RADIO TRANSMITTING WHILE ON GROUND "HF IN PROG" MSG SHOWN. UNABLE TO DUPLICATE MSG 'HF IN PROG' ON MCDU WHILE A/C IS ON GROUND. ACCOMPLISHED NR 1 AND NR 2 HF XCVR BITE IAW FIM TASK 23 11 00 810 801 LRU STATUS GOOD, NO FAULTS NOTED. OPS CHECK NORMAL ON GROUND. VERIFIED NO "HF IN PROG" MSG SHOWN ON ACARS MCDU AND HF LINK STATUS IS 'LOGGED OFF' AND 'IDLE' ON GROUND.