As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CRUISE HF RADIO WOULD NOT CHANNELIZE. RADIO TURNED OFF. VERY SLIGHT HINT OF ELECTRICAL SMELL PRESENT THAT QUICKLY DISSIPATED WHEN CKT BRKR FOR HF 2 PULLED. NO FURTHER PROBLEMS NOTED. REMOVED AND REPLACED RT HF TRANSCEIVER. HF 2 OPS CKS NML.