As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTS LEFT ENGINE GENERATOR INOPERABLE AND WILL NOT POWER BUS. THE IDG WAS DISCONNECTED. *S/D* A DAMAGED PIN IN LEFT BUS TIE BREAKER CAUSED INTERMITTENT OPENING OF THE LEFT INTEGRATED DRIVE GENERATOR CONTROL BREAKER. THE INTEGRATED DRIVE GENERATOR BREAKER WAS REPLACED.