As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 1230 RDU-BOS, CREW REPORTED SULFUR ODOR IN FLIGHT WITH VISIBLE HAZE IN CABIN AT APPROXIMATELY 11,000 FEET. ODOR DISSIPATED AFTER SEVERAL MINUTES. T/S PER FIM 21-20-00-810-801A AND INSPECTION FOUND VIBRATION AND SULFUR ODOR COMING FROM PACK NR 2 FOLLOWED BY PACK 2 FAIL EICAS MSG. REMOVED AND REPLACED NR 2 ACM AS PER AMM 21-51-05. OPS CHECK GOOD.