As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING DESCENT, RECEIVED STATUS MESSAGE FOR THE RECIRCULATION FAN. AT THE SAME TIME, FLIGHT ATTENDANTS DESCRIBED STRONG ELECTRICAL ODOR MID CABIN. TURNED FANS OFF AND ODOR DISSIPATED, NO SMOKE OBSERVED. MAINTENANCE REPLACED THE UPPER RECIRCULATION FAN IAW AMM 21-25-01, AND PERFORMED A SATISFACTORY OPERATIONAL CHECK.