Flight Crew Instrument; Flight Crew Multiengine; Flight Crew Air Transport Pilot (ATP)
Aircraft Equipment Problem Less Severe; Deviation / Discrepancy - Procedural Published Material / Policy
Flight Crew Returned To Gate; Flight Crew Rejected Takeoff; General Flight Cancelled / Delayed; General Maintenance Action
Aircraft
After application of takeoff thrust on Runway XXR; the left engine generator failed. The takeoff was rejected below 40 kts. Rejected takeoff procedures were followed as per flight manual SOP. No injuries or aircraft damage occurred. Maintenance [Technical Support Maintenance Control] was notified via voice and discrepancy was reported via ACARS. A return to the gate was necessary. Aircraft was taken out of service for Maintenance. Another aircraft was provided for flight to ZZZ1.
B757 Captain reported a rejected takeoff after the Number 1 engine generator failed.