What was found
EICAS MSG ENGINE VIBRATION. REMOVED AND REPLACED THE ENGINE VIBRATION MONITOR UNIT IAW AMM 77-31-03. OPS CHECK NORMAL.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
EICAS MSG ENGINE VIBRATION. REMOVED AND REPLACED THE ENGINE VIBRATION MONITOR UNIT IAW AMM 77-31-03. OPS CHECK NORMAL.