As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT 2452 - ALB - FLIGHT CREW DIVERTED FLIGHT DUE TO ELECTRICAL EMERGENCY ABNORMAL TRANSFER INDICATION. EWR MX REMOVED AND REPLACED PUSH BUTTON ESSENTIAL POWER SWITCH AND PERFORMED OPERATIONAL CHECK SUCCESSFULLY. ACFT WAS APPROVED TO RETURN TO SERVICE.