As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 2 HF RADIO TUNING PANEL SHOWS FAILED WHEN THE NR 2 HF IS SELECTED. ACFT GROUNDED. ACCOMPLISHED FIM 23-12, TASK 815. RADIO TUNING PANEL PROBLEM FAULT ISOLATION & HF COMMUNICATION SYSTEM BITE PROCEDURE IAW FIM 23-11, TASK 801, OPS CHECKED NORMAL. NO HISTORY LAST 90 DAYS.