As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RT HF SLOW TO TUNE. ATC NOT HEARING OUR TRANSMISSIONS. REPLACED RT HF TRANSCEIVER, NO HELP. SUGGEST REPLACED RT HF COUPLER M242. REPLACED RT HF COUPLER. OPS CHECK GOOD. GOOD COMMUNICATION WITH NEW YORK ARINC ON RIGHT AND LEFT HF RADIOS.