As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AT POWER REDUCTION VIBRATION FELT LESS IN CRUISE. N1 HIGHER ON RIGHT BY 1.1 WITH MATCHED EPR. SAMC TEXT: CREW REPORTS HIGHEST VIB INDICATED WAS 3.1 DURING DESCENT WITH EPR AT 1.12, MAINT TEXT: CREW ADVISED VIBS ON RT ENG REACHED 3.4 AT APPROX 1.3 EPR. NOTICEABLE VIB FELT IN FLT DECK & REPORTED IN CABIN AS WELL. ACP'D FAN BLADE ROOT LUBE PER AMM AND VIB SURVEY TEST NR 8 PER AMM WITH VIBS WITHIN LIMITS.