As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING TAKE OFF ROLL, THE LEFT AUTOFEATHER ARMED ANNUCIATOR FAILED TO ILLUMINATE. TAKEOFF WAS ABORTED BELOW 80 KTS. MAINTENANCE REPLACED THE RIGHT HIGH PRESSURE SWITCH. A SUCCESSFUL OPERATIONAL CHECK FLIGHT WAS PERFORMED. AIRCRAFT WAS RETURNED TO SERVICE.