As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
BEFORE FLIGHT 3576, CABIN FAN QUIT WORKING. F/A SAID AN ELECTRICAL ODOR WAS PRESENT, RETURN TO GATE TO MAKE SURE NO FURTHER PROBLEMS. MAINTENANCE FOUND ELECTRIAL ODOR WAS RELATED TO CABIN FAN THAT FAILED. NO FURTHER INFORMATION IS AVAILABLE.REPLACED CABIN FAN.