What was found
(CAN) NR 2 ENGINE WAS SHUTDOWN ON CLIMB-OUT DUE TO HIGH VIBRATION AND THE AIRCRAFT RETURNED TO ITS POINT OF DEPARTURE. POST-FLIGHT INSPECTION FOUND OIL IN THE ENGINE SPINNER AND TWO BOLTS OF THE SPINNER CAP WERE FOUND LOOSE. THE SPINNER CAP AND ANTI-ICE TUBES WERE CROOKED (BENT) WHICH INCREASED THE VIBRATION. A SURVEY CONDUCTED INDICATED THE VIBRATIION WAS INCREASING OVER A PERIOD OF TIME. THE SPINNER, SPINNER CAP AND ANTI-ICE TUBES WERE REPLACED. THE FAN TRIM BALANCED. HIGH POWER RUNUP CARRIED OUT SERVICEABLE, WITH VIBRATION WITHIN LIMITS AND THE AIRCRAFT RETURNED TO SERVICE.