As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DIVERTED TO PVD. INFLIGHT LT ENGINE N1 VIB READS 2.0. FOLLOWED QRH FOR SINGLE ENGINE OPERATION. LT ENGINE N1 VIB REMAIN IN AMBER UNTIL ENGINE SHUTDOWN. EMERGENCY DECLARED. EN ROUTE TO ATL A/C DIVERTED TO PVD DUE TO MTC. RELATED TO DEFECT 360406-3, 360407-1, 2, 3 AND 360408-1. FLT 4140 DEL 110 MINS.