As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON DEPARTURE FROM SLC, WHEN CLIMB POWER WAS SET 84 PERCENT TORQUE THE RIGHT TORQUE GUAGE FLUCTUATED, BOTH ANALOG AND DIGITAL. ALL OTHER ENGINE PARAMETER STAYED STABILIZED. FLUCTUATIONS WERE FROM 84 PERCENT TO APPROXIMATELY 50 PERCENT. REMOVED AND REPLACED RIGHT TORQUE INDICATOR PICK UP PROBE IAW P&W MM 72-01-60 AND EMB MM 77-11-02. OPS CHECK GOOD ON ENGINE GROUND RUN. P/N 3116947-01.