What was found
HIGH VIBE NO 1 ENGINEHIGHEST READING 1.0CURRENTLY 0.7 AT CRUISEF L 200 UPDATED MAA CODE FIX USING VENDOR MAA SCREEN PLEASE DEBRIEF THE FLIGHT CREW FOR MORE INFORMATION. TAIL CLIMBING THROUGH FL220. IT WAS A MEDIUM FREQUENCY VIBRATION. ASKED THEM TO FILL OUT THE VIBRATION REPORTING FORM. NO ABNORMAL ENGINE INDICATIONS WERE OBSERVED. DEBRIEFED THE FLIGHT CREW. THEY FELT A SUDDEN VIBRATION IN THE PERFORMED TEST NO 8 VIBRATION SURVEY REF TASK 71-00-00-700-022-B. NO DESCREPANCIES NOTED AT THIS TIME. ALL PARAMETERS WITHIN LIMITS.