What was found
ON THE FINAL DESCENT AND TRANSITION TO THE APPROACH PHASE OF FLIGHT, CREW RECOGNIZED ENG VIBRATION & ISOLATED VIBRATION TO THE RT ENG. RT ENGINE VIBRATION AMBER CAS ILLUMINATED. CREW RAN QRH FOR CAS & ELECTED TO REMAIN MONITORING VIBRATION. CREW NOTICED RT ITT RISING TOWARDS REDLINE & RT ENG EXCEEDANCE CAS INTERMITTANT. CREW RAN INFLT ENG SHUTDOWN QRC & CHECKLISTS, LANDED WITHOUT INCIDENT. AFTER VISUAL INSPECT, CREW NOTICED NO VISIBLE ABNORMALITIES IN FAN DUCT &/OR EXHAUST DUCT. REMOVED ENG & INSTALLED REPAIRED ENG IAW LMM 72-00-00 SUBTASK 72-00-00-420-004-A01. PERFORMED POST ENG INSTALL LEAK & OPS CHKS. WORK DONE IAW LMM 72-05-22 REV 13. & BD-100-1A10 TASK 71-00-01-400-801 REV 42 .