As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PILOTS HAVE REPORTED MULTIPLE INSTANCES OF AUTOTHROTTLE INDUCED WARNING/RED TORQUE INDICATIONS OCCURRING DURING TAKEOFF, GO-AROUND, AND CLIMB PHASES OF FLIGHT ON SIX DIFFERENT AIRCRAFT (S/N BY-472 AND UP). THREE INSTANCES WERE SEVERE ENOUGH TO ACTIVATE THE MASTER WARNING FLASHERS AND AURAL “ENGINE FIRE” ALERTS; ONE INSTANCE RESULTED IN AN ENGINE TORQUE EXCEEDANCE PER THE PT6A-52 MAINTENANCE MANUAL.