As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
HF1 DIFFICULT TO TRANSMIT ON, IT TAKES MULTIPLE ATTEMPTS TO ESTABLISH A TRANSMISSION. RECEPTION IS NORMAL. HF2 WORKS NORMALLY. NR 1 HF FAULT PER FIM 23 11 00 810 806 "FAIL" SHOWED ON RADIO TUNING PANEL INTERMITTENTLY DURING TRANSMIT. REPLACED AND TESTED NR 1 HF TRANSCEIVER PER MM 23 11 21 000 801 / 23 11 21 400 801 OPS NORMAL. PERFORMED SYSTEM TEST FOR NR 1 HF SYSTEM PER MM 23 11 00 730 801, OPS NORMAL. VERIFICATION FLIGHT SUCCESSFUL.