As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED N2 SPLIT AND N2 VIBRATION WARNING. CREW RETURNED TO FIELD AND LANDED WITHOUT INCIDENT. MAINTENANCE INSPECTED ACFT AND FOUND ENGINE VIBRATION MONITORING CABLE ASSY CHAFED AND BROKEN. MAINTENANCE R & R ENGINE VIBRATION MONITORING CABLE ASSEMBLY ON RT ENGINE AND PERFORMED CHECKS IAW AMM. ACFT RELEASED FOR SERVICE.