As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IN FLIGHT BURNING ELECTRICAL SMELL IN FLIGHT DECK AND CABIN WITH PACKS RUNNING. FUMES DISSAPETED AFTER 5 MINUTES. FACT 23MAR25 04:30 TYS RAN PACKS REF AMM 21-51-00. NO FUMES NOTED. INSPECTED BOTH PACKS NO DAMAGE NOTED. REINSTALLED PACK PANELS. OK FOR SERVICE.