As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AT TOP OF CLIMB AND AT CRUISE LEFT ENG VIB HIGHER THAN RT. L 1.1 / R .5 ENG INDICATIONS NORMAL AT 360 88.5/88.4 648/ 640 92.3/ 92.3 272/ 272 47/ 47 106/ 107 16/17 1.1/.5 WITH TURB LEFT VIB WILL SPIKE. NO DEFECTS NOTED UPON GROUND ENG RUN TEST FROM IDLE TO TAKEOFF POWER. NR 1 ENG HIGHEST VIB IND WAS 0.7. NO ABNORMALITIES NOTED. VIB IND WELL BELOW LIMITS REF AMM 71 00 00 800 806 F00.