As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EXPERIENCED PLUS AND MINUS 10 TO 12 PERCENT TORQUE FLUCTUATIONS ON RIGHT ENGINE AT CLIMB POWER SETTINGS. FLUCTUATIONS CAUSED REDUCED POWER SETTINGS. RETURNED TO GJT. FLUCTUATIONS OCCURRED BETWEEN 8,500 FT AND 10,000 FT. REMOVED AND REPLACED THE TORQUE SIGNAL CONDITION UNIT IAW 77-11-1. RAN ENGINE AND OPS CHECKS GOOD.