As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SEA - TAKEOFF ABORTED IN SEA DUE TO AUTOFEATHER NOT ARMING. SPEED AT ABORT ABOUT 30 KNOTS. NOTHING WAS DISPLAYED ON ED. PERFORMED FIM TASK 61-20-02-810-834. AUTOFEATHER SYSTEM SELF TEST GOOD. CLEARED FAULTS. NO OTHER FAULTS LOGGED AFTER TEST. RETURNED TO SERVICE, NO PARTS REPLACED.