As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IAD-LGA - FLT 6345 - DURING TAKEOFF, EXPERIENCED A LEFT ENGINE BETA LIGHT ILLUMINATION. AIRCRAFT ABORTED TAKEOFF AND RETURNED TO THE GATE WHERE THE MAINTENANCE TECHNICIANS TROUBLESHOT THE DISCREPANCY AND FOUND THAT THE LEFT BETA SWITCH HAD FAILED. MAINTENANCE REPLACED THE LEFT BETA SWITCH IAW WITH ALL MAINTENANCE PROCEDURES. AIRCRAFT WAS THEN RELEASED AND APPROVED FOR RETURN TO SERVICE. (M)