As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE CREW REPORTED A HOT ODOR AND VISIBLE HAZE IN THE CABIN ENROUTE. NO EMERGENCY DECLARED AND THE HAZE AND ODOR DISSIPATED AFTER THE RT PACK WAS TURNED OFF. MAINTENANCE PERFORMED CABIN SMOKE-ODOR TROUBLESHOOTING AND FOUND THE RT ACM LEAKING. MAINTENANCE REPLACED THE RT ACM AND PERFORMED A DUCT BURNOUT. ACFT RELEASED TO SERVICE.