As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 2 ENGINE N1 VIBRATION AT 6.2 WHEN ABOVE IDLE. AT IDLE VIBRATION 5.0. DEBRIEF CREW FOR CONDITIONS AND IF VIBRATIONS FELT. VISUALLY ACCOMPLISHED A VISUAL INSPECTION OF INLET AND EXHAUST AND NO APPARENT DAMAGE NOTED. MASTER CHIP DETECTOR FOUND CLEAN. ACCOMPLISHED VIBRATION SURVEY REF MM. ALL PHASES MAX VIB N1 RECORDED. 1 UNITS. PERFORMED POWER ASSURANCE RUN JRH 2-40-35. ALL PARAMETERS NORMAL.