As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS NOT GROUNDED: DURING CRUISE FLIGHT AN ELECTRICAL ODOR IN THE AFT CABIN WAS REPORTED BY THE FLIGHT ATTENDANT AND AN AMBER FAN MESSAGE DISPLAYED ON THE COND PAGE - THE FLIGHT CREW REPORTED THAT THE ODOR DISSIPATED WITHIN 5 MINUTES AND NO OTHER ISSUES WERE NOTED - MAINTENANCE REPLACED THE LEFT RECIRCULATION FAN IAW AMM 21-21-51