As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PILOT REPORTED STRONG ELECTRICAL ODOR IN COCKPIT LASTED SEVERAL MINUTES AND CLEARED. FA REPORTED "HAZE" IN CABIN ALSO LASTING SERVERAL MINUTES. ITEM MOVED TO MEL#21-51-00-3. 12/4/19 MX REPLACED #1 PACK ACM WITH OPERATIONAL CHECK GOOD. A/C WAS APPROVED FOR RETURN TO SERVICE.