As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: ODOR IN FIRST AND BUSINESS CLASS. RECIRCULATION FAN STATUS MESSAGE CAME ON, MEANING RECIRCULATION FAN WAS OVERHEATING. **SUPPLEMENTAL REPORT FOR AALA202309299139: REMOVED AND REPLACED FORWARD UPPER RECIRCULATION FAN. PER AMM 21-25-01. FUNCTIONAL CHECK GOOD. ** (CLOSED)