As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SUP - SIGNIFICANT EVENT - PILOTS REPORTED POWER LOSS ON NR 1 ENGINE AT 14,700 FT. TORQUE ZERO, FUEL FLOW 110 PPH. POWER LOSS AS POWER WAS REDUCED. POWER LEVER SPLIT WAS NOTICED ON TAKEOFF. MAINTENANCE REMOVED AND REPLACED THE LEFT HMU IAW EMB-120 73-21. OPERATIONAL CHECK AND LEAK CHECK WAS GOOD. RII INSPECTION COMPLIED WITH PER TASKCARD 4.3.11.