What was found
DTW - FLT 3005 - IN CRUISE FLIGHT, THE NR 1 ENGINE TORQUE BEGAN TO ERRATICALLY SURGE. THE AIRCRAFT RETURNED TO DTW. MAINTENANCE REPLACED THE LEFT ENGINE. INVESTIGATION IS CONTINUING. (X)
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DTW - FLT 3005 - IN CRUISE FLIGHT, THE NR 1 ENGINE TORQUE BEGAN TO ERRATICALLY SURGE. THE AIRCRAFT RETURNED TO DTW. MAINTENANCE REPLACED THE LEFT ENGINE. INVESTIGATION IS CONTINUING. (X)