What was found
E2 LP VIBRATION IN AMBER AT 4,0 APPROX AT FL180, COULD NOT MAINTAIN CLIMB WITHOUT ENG 2 IN THE CAUTION ABOVE 4.0. WE RAN THE QRH PROCEDURE AND VIBRATIONS IMMEDIATELY CAME BACK EMERGENCY DFECLARED. PERFORMED HIGH POWER RUN ON E2 IAW LMM72-00-00-760-041 HIGHEST LP VIBRATION REACHED WAS 1.8. FOLLOWED FLOW CHART IN ETN EJ-72-009. OPS CHECKED GOOD. TDMI 003T72155 ISSUED TO PERFORM VIBRATION ANALYSIS ON OR BEFORE 25 FC