As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RIGHT ENGINE TORQUE GAUGE WENT DOWN ON CLIMB OUT. ALL OTHER ENGINE INDICATIONS WERE NORMAL,NOTICED ON TAXI IN TORQUE GAUGE WAS BELOW ZERO. MAINTENANCE PERFORMED PARAMETER RUNUP OF LT & RT ENGINES. ALL CHECKS GOOD COULD NOT DUPLICATE DISCREPANCY.