As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CANNOT TRANSMIT ON EITHER HF RADIO WITH HF/SAT SWITCHES IN HF, TRANSMITTING ON NR 1 AND LISTENS ON NR 2 AND VISE VERSA. CANNOT HEAR TRANSMISSION FROM ONE HF RADIO ON OTHER HF RADIO. GROUNDED - YES. HF NR 2 FAILED BITE TEST, NO LIGHTS ILLUMINATED, PER AMM 23-11-00-710-801. HF NR 2 TRANSCEIVER IS INOP, R+R HF NR 2 TRANSCEIVER PER AMM 23-11-21.