As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 2937, CREW REPORTED THAT THE AUTOFEATHER LIGHT DID NOT ILLUMINATE AND NUMBER 2 ENGINE WAS LOSING POWER DURING TAKEOFF ROLL. THE CREW ABORTED TAKEOFF AND RETURNED TO THE GATE. MAINTENANCE INSPECTED AND FOUND THE NR 2 GCU MAGNETIC INDICATOR TO BE POPPED. FURTHER TROUBLESHOOTING INDICATED THAT THE NR 2 DC GENERATOR HALL EFFECTS SENSOR TO BE FAULTY. THE AFFECTED HALL EFFECTS SENSOR WAS REMOVED AND REPLACED. THE AIRCRAFT WAS THEN APPROVED FOR RETURN TO SERVICE.