As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
JFK - CREW REPORTED LEFT GENERATOR TRIPPED AND CAUSED MULTIPLE STATUS MESSAGES. LEFT INTEGRATED DRIVE GENERATOR UNABLE TO BE RESET BY FLIGHT CREW. EMERGENCY DECLARED FLIGHT RETURNED JFK LANDED WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. REPLACED CONNECTOR D1116P AND LEFT GENERATOR FEEDER CABLE FROM INTEGRATED DRIVE GENERATOR TO D1016J. SYSTEM GROUND CHECK NORMAL OPERATION.