As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LAX- FLIGHT 2448 - DURING TAKEOFF ROLL, AUTO-FEATHER SYSTEM FAILED TO ARM. ABORTED TAKEOFF AT 80 KNOTS AND RETURNED TO THE GATE. MAINTENANCE FOUND FAULT CODES 402B AND 494 A/B. PERFORMED PEC FAULT CODE CLEARING PROCEDURE. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE. NO PARTS REPLACED.