What was found
DURING FLIGHT 765, ENROUTE, THE PILOT OBSERVED TORQUE SURGES OF 400 FT LBS. TO 1,000 FT LBS. ON THE NR 1 ENGINE. THE ENGINE WAS SHUTDOWN AND THE FLIGHT CONTINUED ON TO ANC. ON LANDING, MX FOUND THE OIL FILTER CONTAMINATED WITH METAL DEBRIS AND CHUNKS OF WHAT APPEARS TO BE PARTS OF A BEARING RACE AT THE REDUCTION GEAR BOX SCREEN. THE ENGINE WILL BE REMOVED AND SENT TO THE MFG FOR EVALUATION.