As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING TAKEOFF ROLL AUTO FEATHER INITIALLY ARMED WITH SETTING OF TAKEOFF POWER. AT 55 KIAS AUTOFEATHER DISABLE LIGHT ILLUMINATED AND TAKEOFF WAS ABORTED. FOUND LT POWER LEVER AFX SWITCH LOOSE. TIGHTENED SWITCH AND OP CHECKED IAW AMM 61-21-00, OPS CHK GOOD.