What was found
FLIGHT 1615, CLT - MCI, PASSING 16,000FT THE NR 2 ENGINE TRIGGERED A HP VIB WARNING LIGHT (REGISTERING 5.0 VIBRATION). AFTER CONSULTING THE CHECKLIST THE CREW RESTORED POWER TO THE ENGINE, SIMILAR RESULTS OCCURRED. THE CREW DECIDED TO RETURN TO CLT. THE ENGINE WAS NOT SHUTDOWN BUT WAS IDLED. THE FLIGHT LANDED UNEVENTFULLY. MX ACTION PENDING