As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT ABORTED TAKEOFF DUE TO LEFT BETA LIGHT ILLUMINATED AT 60 PERCENT TORQUE. THE SYSTEM WAS TROUBLESHOT AND THE BETA SWITCH WAS DETERMINED TO BE AT FAULT. THE SWITCH WAS REPLACED AND A FUNCTIONAL CHECK OF THE SYSTEM PERFORMED WITH ALL INDICATIONS NORMAL. (M)