As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
BLI - FLIGHT 2157 AUTOFEATHER SYSTEM FAILED TO ARM DURING TAKEOFF ROLL. TAKEOFF ABORTED BELOW 60 KTS. MAINTENANCE COMPLIED WITH AUTOFEATHER SYSTEM AND POWER UPTRIM CHECK IAW DHC-8 AMM 71-00-00-868-027, PAGE 560-562. TEST CHECK GOOD. NO PARTS REPLACED AIRCRAFT RETURNED TO SERVICE.