What was found
FLT 660 MCO-SYR, AIR RETURN TO MCO DUE TO NR 2 ENGINE WITH HIGH LP VIBRATION DURING T/O AND CLIMB. ENGINE NR 2 VIBRATION AMBER BOXED 4.1 ON LP. VIBRATION DECREASED ON LOW ALTITUDE LEVEL AND CAME BACK ON DURING CLIMB. T/S PER EMM 72-00-00 AND PERFORMED ENG VIBRATION TEST. ALL N1 VIB PARAMETERS WITHIN LIMITS. INTERROGATED CMC, NO PREVIOUS ABNORMAL FLIGHT NOTED. ALL VIBRATION PLOT INDICATION NORMAL. NO PREVIOUS EXCEEDANCES NOTED. A/C OK FOR CONT SVC. ENG HIGH POWER TEST PERFORMED REF EMM 72-00-00. MAX N1 REACHED 93.2. MAX LP VIBE 0.4 MAX HP 0.6. ALSO PERF VISUAL INSP OF SPINNER. NO DISCREPANCY NOTED.