As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT 8043, TJSJ TO TTPP, THE LEFT TORQUE WOULD NOT INCREASE ABOVE 77 PERCENT. THE AIRCRAFT RETURNED TO TJSJ AND LANDED WITHOUT INCIDENT. MAINTENANCE FOUND BAD TORQUE SIGNAL CONDITIONER. REMOVED AND REPLACED TORQUE SIGNAL CONDITIONER IN ACCORDANCE WITH THE GARRETT MAINTENANCE MANUAL. PERFORMED FUNCTIONAL CHECK. NO DEFECTS NOTED. AIRCRAFT RETURNED TO SERVICE.