As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
YKM- RECEIVED A NR 1 AC GENERATOR CAUTION LIGHT PRIOR TO 60 KNOTS ON TAKEOFF. ABORTED TAKEOFF AND RETURNED TO THE GATE. REMOVED AND REPLACED NR 1 AC GEN IAW TC 6242101.OPS CHECKED GOOD PER Q-400 AMM TASK 24-21-00-710-801. RETURNED TO SERVICE.