As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
BOI - ON FLIGHT 2302, RETURNED TO GATE, JUST AS POWER WAS BEING ADDED FOR TAKEOFF (10 PERCENT TORQUE), NR 1 AC GENERATOR LIGHT ILLUMINATED. RAN CHECKLIST. DID NOT RESET. REPLACED NR 1 AC GENERATOR. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.