What was found
THE NR 1 ENGINE ROLLED BACK TO 1.4 EPR AND AIRCRAFT VIBRATION WAS FELT AFTER GEAR RETRACTION. THE NR 1 ENGINE WAS SHUT DOWN AND THE AIRCRAFT WAS RETURNED TO CAE WHERE IT LANDED WITHOUT INCIDENT. MAINTENANCE FOUND THE NR 1 ENGINE DAMAGED. THE NR 1 ENGINE WAS REMOVED AND REPLACED. THE SDR WILL REMAIN OPEN FOR PART INFORMATION PENDING INVESTIGATION. *S/D* SHOP FINDINGS REPORTED T1 BLADE FRACTURE DUE TO OVERTEMP AT POINT OF FRACTURE.