As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
HF1 WAS COMPLETELY GARBLED AND UNREADABLE. INITIAL SELCAL CHECK TESTED GOOD. MULTIPLE FREQUENCIES WERE ATTEMPTED. ACFT GROUNDED. R & R NR 1 HF RECEIVER/TRANSMITTER & OPS NORMAL IAW AMM 23-11-21. RECEIVE, TRANSMIT, & SELCAL ALL SATISFACTORY. GROUND VERIFICATION SUCCESSFUL.