As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING THE INITIAL CLIMB ABOUT 500' AGL THE AUTO FEATHER MOMENTARILY UNARMED & THE REARMED ITSELF. POWER LEVERS WERE IN THE DETENT. RETURNED TO FIELD. LANDING UNEVENTFUL. REPLACED POWER QUADRANT IAW AMM TASKS 76-10-01-000-801 AND 76-10-01-400-801. PERFORMED ALL FUNCTIONAL TESTS-ALL CHECK GOOD. NO FURTHER DEFECTS. RETURNED TO SERVICE.