As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ENG #2 HIGH VIBE JUST AFTER TAKEOFF RAN QRH FOR ABNORMAL VIB AFTER REDUCING THRUST TO IDLE VIB STILL ABNORMAL. RETURN TO CRP PRECAUTIONARY SHUT DOWN OF ENGINE #2 PER QRH/ EMERGENCY DECLARED/NO OVWGHT LANDING/NORMAL LANDING. TROUBLESHOT IAW ENVOY ETN-EJ072-009 25FC TDMI 010T72102 ISSUED FOR VIBRATION DATA ANALYSIS. PENDING CORRECTIVE ACTION.