As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 2 ENGINE TORQUE SURGED ON TAKEOFF ROLL FROM 90 PERCENT DOWN TO 70 PERCENT. INSPECTED NR 2 ENGINE. NO VISUAL DEFECTS NOTED. GROUND RAN ACFT TO 90 PERCENT TORQUE. NO TORQUE OR OTHER ENGINE PARAMETERS FLUCTUATED. ACFT IS OK FOR SERVICE.