As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
N1 ENG VIB HIGH ON CLIMB OUT (YELLOW) READ 2.7, ENG INDICATIONS NORMAL. VIBRATION RETURNED BELOW 2.5 WITH THRUST LEVER RETARDED ENG WAS NOT SHUT DOWN. TROUBLE SHOT ENG VIBRATION PER 757 FIM 77-31-00 RT ENG VIBRATION CONTROLLER BOX HAD FAULT CODE B8 DISPLAYED. REMOVED AND REPLACED ACCELEROMETER PER MM 77-31-01. PERFORMED ENG VIB OPS CHECKS OK.