As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
HF 1 INDICATES FAIL IN BOTH ACTIVE & STBY WINDOWS. GROUNDED - YES. ACCOMPLISHED RECYCLE OF A/C POWER & BATTERY POWER. NO FAIL INDICATION RETURNED FOR NR 1 HF SYS. SUCCESSFUL GROUND VERIFICATION OF NR 1 HF RADIO TX & RCV ACCOMPLISHED. ACCOMPLISHED NR 1 HF TRANSCEIVER BITE CK. NO FAULTS INDICATED & TEST CK'D GOOD. NO HISTORY NOTED. REF FIM 23-11 TASK 802.