As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
HF 1 FAILED AFTER 1ST POSITION REPORT, UNABLE TO TRANSMIT AND NO SIDE TONE. ACFT GROUNDED. VERIFIED FAULT. PERFORMED BITE TEST, PASSED. CYCLED ACFT POWER NR 1 HF. GROUND VERIFICATION TEST PASSED REF FIM 23-11, TASK 806. NO HISTORY 30 DAYS.