What was found
RT ENGINE SURGING DURING TAKEOFF. TORQUE AND NP FLUCTUATING 10 TO 20 PERCENT. DEACTIVATED AND DEFERRED THE ENGINE ELECTRONIC CONTROL SYSTEM.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
RT ENGINE SURGING DURING TAKEOFF. TORQUE AND NP FLUCTUATING 10 TO 20 PERCENT. DEACTIVATED AND DEFERRED THE ENGINE ELECTRONIC CONTROL SYSTEM.