As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 2 COMM CONTROL HEAD STARTED SMOKING ON CLIMB-OUT. REMOVED AND REPLACED NR 2 COMM CONTROL (PN 622-6520-008) AND REPAIRED CHAFED AND BURNED WIRES ON PIN 28 AND PIN 37 OF CONNECTOR J176. WIRING HAD CHAFED AND SHORTED OUT. COMM CONTROL CIRCUIT BOARD WAS BURNED. (X)