As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SJC - FLT 3183 - DURING CRUISE FLIGHT CREW REPORTED A STRONG ELECTRICAL BURNING ODOR IN THE COCKPIT. NO EMERGENCY DECLARED. LANDED SAFELY WITHOUT INCIDENT. MAINTENANCE FOUND INSULATION IN FORWARD AVIONICS FAN CAUSING OVERHEAT CONDTION. INSULATION WAS REMOVED AND OPERATIONAL CHECK OF FAN WAS SATISFACTORY. AIRCRAFT WAS RETURNED TO SERVICE. (M)