As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING TAKEOFF, ENGINE #2 NOT PRODUCING ENOUGH POWER FOR ROTOR RPM TO ACHIEVE A MINIMUM OF 95 PERCENT. LOW ROTOR WARNING WHEN BOTH TWIST GRIPS WERE AT FULL FLIGHT. EVAL: #2 ENGINE TRIM ACTUATOR INOP. (SWAPPED #1 & 2 TRIM ACTUATOR CANNON PLUGS TO VERIFY THAT ACTUATOR WAS INOP. #1 TRIM ACTUATOR WORKED IN BOTH POSITIONS). REMOVED AND REPLACED #2 TRIM ACTUATOR IAW AMM 76-12-00, 4-8. COMPLETED IAW AMM 05-60-00, 6-1.