As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ENROUTE, EXPERIENCED STRONG ELECTRICAL SMELL WITH HAZE IN CABIN, COCKPIT AND AT OVERWING EMERGENCY EXIT. EMERGENCY DECLARED. LANDED WITHOUT INCIDENT. PERFORMED CHECK OF ELECTRICAL SYSTEM. RAN PACKS AT FULL POWER. UNABLE TO DUPLICATE PROBLEM. SYSTEM GROUND CHECKED NORMAL OPERATION.