As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GNDED. FLIGHT ATTENDANTS REPORTED STRONG ELEC TYPE ODOR THROUGHOUT CABIN. THEY COULD NOT ISOLATE SOURCE OF ODOR CONSISTENT THRU CABIN. ON COND PAGE LE CAM ABOVE AFT ZONE TEMP DISPLAY, FAN, IN AMBER DISPLAYED. TURNED OFF CABIN FANS & ODOR DISSIPATED. DETERMINED THAT THE RECIRCULATION FAN WAS THE SOURCE OF THE ODOR & REPLACED IT IAW AMM 21-21-51.