As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RT ENGINE LOST TORQUE APPROXIMATELY 20 PERCENT (WILL NOT MAKE TARGET TORQUE). CHECKED RT ENGINE TORQUE CALS, CHECKED GOOD. RAN RT ENGINE TO TAKEOFF TORQUE. ONLY MADE 82 PERCENT AT 650 DEGREES. REMOVED AND REPLACED RT TORQUE INDICATOR. RAN ENGINE TO TAKEOFF TORQUE, 84 PERCENT AT 610 DEGREES. OPS CHECK GOOD. ALSO, RAN ENGINE AT ALL POWER SETTINGS AND TORQUE STAYED STEADY. OPS CHECK.