As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DECLARED EMERGENCY AND DIVERTED TO RDU DUE TO ODOR IN THE MID CABIN. CARRIED OUT W/C 0550- 2001. REF A220 RD500-A-J79-00-00-00AAA-310A-A AND A-J49-91-00- 01AAA-311A-A. CARRIED WITH W/C 0550-2001 & 0550-6001. NO ODOR DETECTED. R/R RECIRCULATION FILTERS PER A220 AMP J21-22. A/C OK FOR SVC. (LP# 9170250; AIRCRAFT WAS GROUNDED).