As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 2 ENGINE LP VIBRATION SPIKED INTO THE AMBER (ABOVE 4.0) TWICE THEN STAYED AT 3.3 TO 3.5. THE REMAINING TIME UNTIL LANDING DURING DESCENT VIB WAS LOW WITH THRUST LEVERS AT IDLE. PERFORMED ETN-EJ-72-004 VIBRATION CHECK WITHIN LIMITS. COMPLIED WITH NR 2 ENGINE FAN BLADE LUBE IAW EA72-00-00-013. OPS CHECKED GOOD.