As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EWR FLT 4683 THE CREW REPORTED A ENGINE NR 1 HP VIBRATION AMBER INDICATION IN FLIGHT. THE AIRCRAFT DIVERTED INTO CLE AND LANDED WITHOUT INCIDENT. MAINTENANCE INSPECTED AND TROUBLESHOT NR 1 ENGINE VIB INDICATION PER RRFIM 77-41-00-810-802. VIBES WERE WITHIN LIMITS. THE ENGINE WAS PLACED ON DMI FOR REPLACEMENT.