As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RT PACK CAUTION, FOLLOWED BY ODOR IN THE COCKPIT SIMILAR TO SULFUR . THE FA SAID CABIN FILLED WITH SMOKE. RAN EVACUATION CHECKLIST. EMERGENCY DECLARED, CHECKED RT & LT AIR CYCLE MACHINE (ACM) IAW AMM 21-51-08. OPS CHECKED GOOD. NO DEFECT NOTED.