As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON CLIMBOUT, BURNING SMELL NOTED IN COCKPIT. FO'S AUDIO PANEL CB POPPED. AFTER 5 MIN COOL DOWN, CB RESET AN IMMEDIATELY POPPED AGAIN. BURNING SMELL DISIPATED. FOUND FO'S MIC JACK SHORTING OUT DUE TO LOCATION OF MOUNTING BRACKET. RELOCATED AS REQUIRED. SYSTEM OPS CHECK NORMAL AT THIS TIME (C/B DID NOT POP AFTER APPROX 2 HRS).