As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 4626 - LGA-BTV - IN CRUISE THE LEFT MAIN BUS AND LEFT AVIONICS BUS FAILED. THE AIRCRAFT DIVERTED TO ALB. THE CREW HAD TO PUMP THE GEAR DOWN DUE TO THE BUS FAILURE, LANDING WITHOUT INCIDENT. ALB MAINTENANCE REMOVED AND REPLACED THE LEFT HAND POWER DISTRIBUTION UNIT AND RETURNED THE AIRCRAFT TO SERVICE. (M)