As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INBOUND, FLIGHT CREW HAD A STRONG BURNING ODOR FROM NR 2 HF CONTROL HEAD WHEN TUNING, ODOR DISSIPATED WHEN HF TURNED OFF. WHEN TUNNING RT HF BURNED ELECTRICAL FUMES EMANATES FROM RT HF TRANSCEIVER OBSERVED FAN INOPERATIVE, REPLACED SAME, OK FOR SERVICE.