As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON 4-23-98 (HOUMA) WHILE IN CRUISE FLIGHT, PILOT HEARD SEVERAL LOUD 'POPS' FROM NR 2 VHF RADIO AND BEGAN TO PRODUCE THICK BLACK SMOKE. HE PULLED THE VHF 2 CIRCUIT BREAKER AND VENTILATED THE CABIN. CONTINUED WITH FLIGHT. MAINTENANCE REPLACED VHF RADIO.