What was found
COCKPIT PA AUDIO CONTROL SWITCH EMITTED SPARKS AND SMOKE WHEN SWITCH WAS DEPRESSED. REMOVED AND REPLACED PA AUDIO CONTROL PANEL.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
COCKPIT PA AUDIO CONTROL SWITCH EMITTED SPARKS AND SMOKE WHEN SWITCH WAS DEPRESSED. REMOVED AND REPLACED PA AUDIO CONTROL PANEL.