Investigators want to closely inspect the engine to better understand if it conked out after colliding with a flock of birds shortly after the plane's takeoff from LaGuardia Airport.
Investigators on Wednesday found the remains of what may be a bird in the other engine, which was recovered.
The Airbus A320 splash-landed in the Hudson after losing thrust in both engines. All 155 people on board the Charlotte, N.C.-bound flight survived.
