As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT NR 4410 - BOS-BGR - EXPERIENCED FAILURE OF THE LEFT ENGINE. THE AIRCRAFT DIVERTED TO PSM, LANDING WITHOUT INCIDENT. PSM MAINTENANCE REMOVED AND REPLACED THE ENGINE AND RETURNED THE AIRCRAFT TO SERVICE. PRELIMINARY INSPECTION APPEARS TO FOD.