As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 2 HF RADIO UNABLE TO VOICE TRANSMIT OR RECEIVE. NO SQUELCH BREAK OR FEEDBACK ON BOTH AUDIO PANELS AND CAPT STANDBY HAND MIC. DATA FUNCTION TRANSMIT AND RECEIVE WORKS WHEN IN VHF RANGE BUT NOT WHEN USING HF2. CONFIRMED FAULT WITH NR 2 HF RADIO. REMOVED & REPLACED NR 2 HF RT PER MM 23 11 21 400 801. OPS CHECK NORMAL. PERFORMED OPS CHECK OF NR 2 RADIO PER MM 23 11 00 710 801. NO DEFECT NOTED. RECEIVED & TRANSMITTED NORMAL.