As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SULPHUR LIKE ODOR DETECTED POST LANDING WITH HAZE PRESENT IN FLIGHT DECK AND CABIN. CREW SELECTION OF LT AND RT PACK TO OFF. STOPPED ON THE TAXI-WAY. INFORMED ATC AND PREPARED AIRCRAFT FOR EVACUATION. ATC ALERTED FIRE/RESCUE. EVACUATION NOT REQUIRED. TAXI TO GATE WITHOUT FURTHER INCIDENT. MAINTENANCE ISOLATED TO FAULTY LT PACK. LT PAC DEFERRED IAW MEL 21-51-11.