As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS NOT GROUNDED: INFLIGHT FLIGHT ATTENDANT REPORTED ELECTRICAL SMELL. AT THAT MOMENT, RECEIVED RECIRCULATION FAN SHUT OFF STATUS MESSAGE. ONCE FANS SHUT OFF, ODOR DISAPPEARED. MAINTENANCE REPLACED AFT UPPER RECIRCULATION FAN PER AMM 21-25-01-400-802 FROM STEP A THROUGH STEP F ITEM 1-9.