What was found
FLIGHT 5199 - EN ROUTE GSO-LGA THE LEFT ENGINE N1 FLUCTUATED FROM 1.8, CREW DECLARED AN EMERGENCY AND RETURNED TO THE FIELD. FLIGHT LANDED WITHOUT INCIDENT. REPLACED THE ENGINE ACCELEROMETER.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
FLIGHT 5199 - EN ROUTE GSO-LGA THE LEFT ENGINE N1 FLUCTUATED FROM 1.8, CREW DECLARED AN EMERGENCY AND RETURNED TO THE FIELD. FLIGHT LANDED WITHOUT INCIDENT. REPLACED THE ENGINE ACCELEROMETER.