As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CCS - INFLIGHT AIRCRAFT ARRIVED WITH ACRID SMELL IN COCKPIT AND NUMBER ONE FLIGHT ATTENDANT REPORTED A HAZY SMOKE IN FIRST CLASS CABIN. INSPECTED MAIN CABIN AND FIRST CLASS CABIN AND NO EVIDENCE OF ACRID SMELL. ACCOMPLISHED PACK BURN. SYSTEM GROUND CHECKED NORMAL OPERATION.