As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON FLIGHT 4471 THE CREW REPORTED THEY HAD ELECTRICAL PROBLEMS. THE CREW DECLARED AN EMERGENCY AND RETURNED TO LGA. THE AIRCRAFT LANDED WITHOUT INCIDENT. THE AIRCRAFT WAS REMOVED FROM SERVICE. REMOVED AND REPLACED THE DATA ACQUISITION UNIT 1 IAW AMM 31-41-00. THE OPERATIONAL CHECK WAS GOOD. NO DEFECTS NOTED AT THIS TIME. THE AIRCRAFT WAS RETURNED TO SERVICE.