What was found
FLIGHT 5350 - NR 1 ENGINE VIB GAUGE PEGGED OFF CHART, REDUCED THRUST TO IDLE AND VIBS STOP. A/C DIVERTED TO LGA AND LANDED SAFELY. PERFORMED ENGINE RUNS WITH CREW WITH NO DEFECTS NOTED. SUSPECT SEVERE ICING.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
FLIGHT 5350 - NR 1 ENGINE VIB GAUGE PEGGED OFF CHART, REDUCED THRUST TO IDLE AND VIBS STOP. A/C DIVERTED TO LGA AND LANDED SAFELY. PERFORMED ENGINE RUNS WITH CREW WITH NO DEFECTS NOTED. SUSPECT SEVERE ICING.