As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PILOT PERFORMED PRE-FLIGHT CHECKS AND ALL OPERATIONS GOOD. ACFT STARTED DOWN RUNWAY AND LT ENGINE STARTED TO AUTOFEATHER AND ENGINE WOULD NOT GO TO FULL POWER. TAKEOFF WAS ABORTED AND ACFT WAS GROUNDED FOR FURTHER INVESTIGATION OF ENGINE DISCREPANCY.